690839616 has 56 divisors (see below), whose sum is σ = 1830039520. Its totient is φ = 230003712.

The previous prime is 690839603. The next prime is 690839717. The reversal of 690839616 is 616938096.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 215175 + ... + 218361.

Almost surely, 2^690839616 is an apocalyptic number.

It is an amenable number.

690839616 is an abundant number, since it is smaller than the sum of its proper divisors (1139199904).

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

690839616 is a wasteful number, since it uses less digits than its factorization.

690839616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 690839616 is about 26283.8280317004. The cubic root of 690839616 is about 884.0138679124.

The spelling of 690839616 in words is "six hundred ninety million, eight hundred thirty-nine thousand, six hundred sixteen".