405874228 has 6 divisors (see below), whose sum is σ = 710279906. Its totient is φ = 202937112.

The previous prime is 405874199. The next prime is 405874229. The reversal of 405874228 is 822478504.

It can be written as a sum of positive squares in only one way, i.e., 404331664 + 1542564 = 20108^2 + 1242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405874229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50734275 + ... + 50734282.

Almost surely, 2^405874228 is an apocalyptic number.

It is an amenable number.

405874228 is a deficient number, since it is larger than the sum of its proper divisors (304405678).

405874228 is a wasteful number, since it uses less digits than its factorization.

405874228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101468561 (or 101468559 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 405874228 is about 20146.3204580886. The cubic root of 405874228 is about 740.3955932076.

The spelling of 405874228 in words is "four hundred five million, eight hundred seventy-four thousand, two hundred twenty-eight".