401864804 has 12 divisors (see below), whose sum is σ = 767196528. Its totient is φ = 182665800.

The previous prime is 401864777. The next prime is 401864843. The reversal of 401864804 is 408468104.

It is a super-2 number, since 2×401864804² = 322990641387916832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566602 + ... + 4566689.

It is an arithmetic number, because the mean of its divisors is an integer number (63933044).

Almost surely, 2^401864804 is an apocalyptic number.

401864804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401864804 is a deficient number, since it is larger than the sum of its proper divisors (365331724).

401864804 is a wasteful number, since it uses less digits than its factorization.

401864804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133306 (or 9133304 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 401864804 is about 20046.5658904462. The cubic root of 401864804 is about 737.9495244351.

The spelling of 401864804 in words is "four hundred one million, eight hundred sixty-four thousand, eight hundred four".