400976625 has 32 divisors (see below), whose sum is σ = 762547968. Its totient is φ = 183302400.

The previous prime is 400976617. The next prime is 400976633. The reversal of 400976625 is 526679004.

It is an interprime number because it is at equal distance from previous prime (400976617) and next prime (400976633).

It is not a de Polignac number, because 400976625 - 2³ = 400976617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73752 + ... + 79001.

It is an arithmetic number, because the mean of its divisors is an integer number (23829624).

Almost surely, 2^400976625 is an apocalyptic number.

It is an amenable number.

400976625 is a deficient number, since it is larger than the sum of its proper divisors (361571343).

400976625 is a wasteful number, since it uses less digits than its factorization.

400976625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152778 (or 152768 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 400976625 is about 20024.4007400971. The cubic root of 400976625 is about 737.4054652360.

The spelling of 400976625 in words is "four hundred million, nine hundred seventy-six thousand, six hundred twenty-five".