401931896 has 8 divisors (see below), whose sum is σ = 753622320. Its totient is φ = 200965944.

The previous prime is 401931889. The next prime is 401931917. The reversal of 401931896 is 698139104.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25120736 + ... + 25120751.

It is an arithmetic number, because the mean of its divisors is an integer number (94202790).

Almost surely, 2^401931896 is an apocalyptic number.

It is an amenable number.

401931896 is a deficient number, since it is larger than the sum of its proper divisors (351690424).

401931896 is a wasteful number, since it uses less digits than its factorization.

401931896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50241493 (or 50241489 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 401931896 is about 20048.2392244307. The cubic root of 401931896 is about 737.9905894517.

The spelling of 401931896 in words is "four hundred one million, nine hundred thirty-one thousand, eight hundred ninety-six".