690260368 has 20 divisors (see below), whose sum is σ = 1528433920. Its totient is φ = 295825824.

The previous prime is 690260359. The next prime is 690260413. The reversal of 690260368 is 863062096.

It is a self number, because there is not a number n which added to its sum of digits gives 690260368.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081408 + ... + 3081631.

It is an arithmetic number, because the mean of its divisors is an integer number (76421696).

Almost surely, 2^690260368 is an apocalyptic number.

It is an amenable number.

690260368 is an abundant number, since it is smaller than the sum of its proper divisors (838173552).

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

690260368 is a wasteful number, since it uses less digits than its factorization.

690260368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163054 (or 6163048 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 690260368 is about 26272.8066258632. The cubic root of 690260368 is about 883.7667259148.

The spelling of 690260368 in words is "six hundred ninety million, two hundred sixty thousand, three hundred sixty-eight".