404747472 has 20 divisors (see below), whose sum is σ = 1045597760. Its totient is φ = 134915808.

The previous prime is 404747471. The next prime is 404747489. The reversal of 404747472 is 274747404.

It is a self number, because there is not a number n which added to its sum of digits gives 404747472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404747471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216072 + ... + 4216167.

It is an arithmetic number, because the mean of its divisors is an integer number (52279888).

Almost surely, 2^404747472 is an apocalyptic number.

It is an amenable number.

404747472 is an abundant number, since it is smaller than the sum of its proper divisors (640850288).

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

404747472 is a wasteful number, since it uses less digits than its factorization.

404747472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432250 (or 8432244 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 39.

The square root of 404747472 is about 20118.3367105733. The cubic root of 404747472 is about 739.7098156105.

The spelling of 404747472 in words is "four hundred four million, seven hundred forty-seven thousand, four hundred seventy-two".