395561268 has 36 divisors (see below), whose sum is σ = 1043366688. Its totient is φ = 126120720.

The previous prime is 395561267. The next prime is 395561279. The reversal of 395561268 is 862165593.

395561268 is a `hidden beast` number, since 39 + 556 + 1 + 2 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395561267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238038 + ... + 239693.

It is an arithmetic number, because the mean of its divisors is an integer number (28982408).

Almost surely, 2^395561268 is an apocalyptic number.

It is an amenable number.

395561268 is an abundant number, since it is smaller than the sum of its proper divisors (647805420).

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

395561268 is a wasteful number, since it uses less digits than its factorization.

395561268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477764 (or 477759 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 395561268 is about 19888.7221308962. The cubic root of 395561268 is about 734.0707512473.

The spelling of 395561268 in words is "three hundred ninety-five million, five hundred sixty-one thousand, two hundred sixty-eight".