690920912 has 40 divisors (see below), whose sum is σ = 1475447232. Its totient is φ = 310809600.

The previous prime is 690920891. The next prime is 690920927. The reversal of 690920912 is 219029096.

690920912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3164 + ... + 37307.

Almost surely, 2^690920912 is an apocalyptic number.

It is an amenable number.

690920912 is an abundant number, since it is smaller than the sum of its proper divisors (784526320).

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

690920912 is a wasteful number, since it uses less digits than its factorization.

690920912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40587 (or 40581 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 690920912 is about 26285.3744884869. The cubic root of 690920912 is about 884.0485426139.

The spelling of 690920912 in words is "six hundred ninety million, nine hundred twenty thousand, nine hundred twelve".