699870312 has 48 divisors (see below), whose sum is σ = 1977899040. Its totient is φ = 223146528.

The previous prime is 699870307. The next prime is 699870313. The reversal of 699870312 is 213078996.

699870312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (699870313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209658 + ... + 212969.

It is an arithmetic number, because the mean of its divisors is an integer number (41206230).

Almost surely, 2^699870312 is an apocalyptic number.

It is an amenable number.

699870312 is an abundant number, since it is smaller than the sum of its proper divisors (1278028728).

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

699870312 is a wasteful number, since it uses less digits than its factorization.

699870312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422662 (or 422655 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 699870312 is about 26455.0621242892. The cubic root of 699870312 is about 887.8491647873.

The spelling of 699870312 in words is "six hundred ninety-nine million, eight hundred seventy thousand, three hundred twelve".