401385304 has 16 divisors (see below), whose sum is σ = 756804600. Its totient is φ = 199570752.

The previous prime is 401385301. The next prime is 401385323. The reversal of 401385304 is 403583104.

It is a super-2 number, since 2×401385304² = 322220324534344832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401385301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138717 + ... + 141580.

Almost surely, 2^401385304 is an apocalyptic number.

It is an amenable number.

401385304 is a deficient number, since it is larger than the sum of its proper divisors (355419296).

401385304 is a wasteful number, since it uses less digits than its factorization.

401385304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280482 (or 280478 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 401385304 is about 20034.6026663870. The cubic root of 401385304 is about 737.6559036104.

The spelling of 401385304 in words is "four hundred one million, three hundred eighty-five thousand, three hundred four".