404062864 has 10 divisors (see below), whose sum is σ = 782871830. Its totient is φ = 202031424.

The previous prime is 404062861. The next prime is 404062871. The reversal of 404062864 is 468260404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 278622864 + 125440000 = 16692^2 + 11200^2 .

It is not an unprimeable number, because it can be changed into a prime (404062861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626949 + ... + 12626980.

It is an arithmetic number, because the mean of its divisors is an integer number (78287183).

Almost surely, 2^404062864 is an apocalyptic number.

It is an amenable number.

404062864 is a deficient number, since it is larger than the sum of its proper divisors (378808966).

404062864 is a wasteful number, since it uses less digits than its factorization.

404062864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25253937 (or 25253931 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 404062864 is about 20101.3149818613. The cubic root of 404062864 is about 739.2925208087.

The spelling of 404062864 in words is "four hundred four million, sixty-two thousand, eight hundred sixty-four".