400594896 has 300 divisors, whose sum is σ = 1317951360. Its totient is φ = 117262080.

The previous prime is 400594889. The next prime is 400594937. The reversal of 400594896 is 698495004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6789715 + ... + 6789773.

Almost surely, 2^400594896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400594896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658975680).

400594896 is an abundant number, since it is smaller than the sum of its proper divisors (917356464).

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

400594896 is a wasteful number, since it uses less digits than its factorization.

400594896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 400594896 is about 20014.8668744011. The cubic root of 400594896 is about 737.1713880636.

The spelling of 400594896 in words is "four hundred million, five hundred ninety-four thousand, eight hundred ninety-six".