401298688 has 36 divisors (see below), whose sum is σ = 915466720. Its totient is φ = 171984384.

The previous prime is 401298683. The next prime is 401298713. The reversal of 401298688 is 886892104.

It is a super-2 number, since 2×401298688² = 322081273981042688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401298683) 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, 110178 + ... + 113761.

Almost surely, 2^401298688 is an apocalyptic number.

It is an amenable number.

401298688 is an abundant number, since it is smaller than the sum of its proper divisors (514168032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401298688 is an equidigital number, since it uses as much as digits as its factorization.

401298688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223962 (or 223948 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 401298688 is about 20032.4408897169. The cubic root of 401298688 is about 737.6028395516.

The spelling of 401298688 in words is "four hundred one million, two hundred ninety-eight thousand, six hundred eighty-eight".