688485038 has 16 divisors (see below), whose sum is σ = 1059065280. Its totient is φ = 335481600.

The previous prime is 688485001. The next prime is 688485053. The reversal of 688485038 is 830584886.

It is a super-2 number, since 2×688485038² = 948023295099722888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81158 + ... + 89238.

It is an arithmetic number, because the mean of its divisors is an integer number (66191580).

Almost surely, 2^688485038 is an apocalyptic number.

688485038 is a deficient number, since it is larger than the sum of its proper divisors (370580242).

688485038 is a wasteful number, since it uses less digits than its factorization.

688485038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The square root of 688485038 is about 26238.9984183848. The cubic root of 688485038 is about 883.0084011330.

The spelling of 688485038 in words is "six hundred eighty-eight million, four hundred eighty-five thousand, thirty-eight".