260394228 has 18 divisors (see below), whose sum is σ = 658218834. Its totient is φ = 86798064.

The previous prime is 260394223. The next prime is 260394257. The reversal of 260394228 is 822493062.

260394228 is a `hidden beast` number, since 2 + 603 + 9 + 42 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 251285904 + 9108324 = 15852^2 + 3018^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7233173 = 260394228 / (2 + 6 + 0 + 3 + 9 + 4 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 260394192 and 260394201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260394223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3616551 + ... + 3616622.

It is an arithmetic number, because the mean of its divisors is an integer number (36567713).

Almost surely, 2^260394228 is an apocalyptic number.

It is an amenable number.

260394228 is an abundant number, since it is smaller than the sum of its proper divisors (397824606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260394228 is a wasteful number, since it uses less digits than its factorization.

260394228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233183 (or 7233178 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 260394228 is about 16136.7353575623. The cubic root of 260394228 is about 638.5728518418.

The spelling of 260394228 in words is "two hundred sixty million, three hundred ninety-four thousand, two hundred twenty-eight".