400804484 has 12 divisors (see below), whose sum is σ = 702805824. Its totient is φ = 200002824.

The previous prime is 400804457. The next prime is 400804489. The reversal of 400804484 is 484408004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 400804484.

It is not an unprimeable number, because it can be changed into a prime (400804489) 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, 97592 + ... + 101615.

It is an arithmetic number, because the mean of its divisors is an integer number (58567152).

Almost surely, 2^400804484 is an apocalyptic number.

It is an amenable number.

400804484 is a deficient number, since it is larger than the sum of its proper divisors (302001340).

400804484 is a wasteful number, since it uses less digits than its factorization.

400804484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199714 (or 199712 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 400804484 is about 20020.1019977422. The cubic root of 400804484 is about 737.2999263463.

The spelling of 400804484 in words is "four hundred million, eight hundred four thousand, four hundred eighty-four".