690916 has 12 divisors (see below), whose sum is σ = 1272880. Its totient is φ = 327240.

The previous prime is 690889. The next prime is 690919. The reversal of 690916 is 619096.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (690919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470 + ... + 4621.

2⁶⁹⁰⁹¹⁶ is an apocalyptic number.

It is an amenable number.

690916 is a deficient number, since it is larger than the sum of its proper divisors (581964).

690916 is a wasteful number, since it uses less digits than its factorization.

690916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 690916 is about 831.2135706303. The cubic root of 690916 is about 88.4046447605.

The spelling of 690916 in words is "six hundred ninety thousand, nine hundred sixteen".