699916 has 18 divisors (see below), whose sum is σ = 1425228. Its totient is φ = 299880.

The previous prime is 699863. The next prime is 699931. The reversal of 699916 is 619996.

It is an unprimeable number.

699916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1590 + ... + 1981.

2⁶⁹⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

699916 is an abundant number, since it is smaller than the sum of its proper divisors (725312).

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

699916 is a wasteful number, since it uses less digits than its factorization.

699916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589 (or 3580 counting only the distinct ones).

The product of its digits is 26244, while the sum is 40.

The square root of 699916 is about 836.6098254264. The cubic root of 699916 is about 88.7868484162.

The spelling of 699916 in words is "six hundred ninety-nine thousand, nine hundred sixteen".