690118038 has 24 divisors (see below), whose sum is σ = 1573954200. Its totient is φ = 217931904.

The previous prime is 690117991. The next prime is 690118073. The reversal of 690118038 is 830811096.

It is a junction number, because it is equal to n+sod(n) for n = 690117993 and 690118011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008603 + ... + 1009286.

It is an arithmetic number, because the mean of its divisors is an integer number (65581425).

Almost surely, 2^690118038 is an apocalyptic number.

690118038 is an abundant number, since it is smaller than the sum of its proper divisors (883836162).

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

690118038 is a wasteful number, since it uses less digits than its factorization.

690118038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017916 (or 2017913 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 690118038 is about 26270.0977919763. The cubic root of 690118038 is about 883.7059782266.

The spelling of 690118038 in words is "six hundred ninety million, one hundred eighteen thousand, thirty-eight".