400704876 has 144 divisors (see below), whose sum is σ = 1198518048. Its totient is φ = 111283200.

The previous prime is 400704833. The next prime is 400704883. The reversal of 400704876 is 678407004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 400704876.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1425856 + ... + 1426136.

It is an arithmetic number, because the mean of its divisors is an integer number (8323042).

Almost surely, 2^400704876 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 400704876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599259024).

400704876 is an abundant number, since it is smaller than the sum of its proper divisors (797813172).

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

400704876 is a wasteful number, since it uses less digits than its factorization.

400704876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 400704876 is about 20017.6141435487. The cubic root of 400704876 is about 737.2388433173.

The spelling of 400704876 in words is "four hundred million, seven hundred four thousand, eight hundred seventy-six".