401403304 has 16 divisors (see below), whose sum is σ = 753448500. Its totient is φ = 200483712.

The previous prime is 401403281. The next prime is 401403307. The reversal of 401403304 is 403304104.

It can be written as a sum of positive squares in 2 ways, for example, as 262116100 + 139287204 = 16190^2 + 11802^2 .

It is a super-2 number, since 2×401403304² = 322249224924232832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401403307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19279 + ... + 34270.

Almost surely, 2^401403304 is an apocalyptic number.

It is an amenable number.

401403304 is a deficient number, since it is larger than the sum of its proper divisors (352045196).

401403304 is a wasteful number, since it uses less digits than its factorization.

401403304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54492 (or 54488 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401403304 is about 20035.0518841355. The cubic root of 401403304 is about 737.6669300960. Note that the first 3 decimals are identical.

Adding to 401403304 its reverse (403304104), we get a palindrome (804707408).

The spelling of 401403304 in words is "four hundred one million, four hundred three thousand, three hundred four".