690932 has 24 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 305600.

The previous prime is 690929. The next prime is 690953. The reversal of 690932 is 239096.

690932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 690895 and 690904.

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, 1613 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (56448).

2⁶⁹⁰⁹³² is an apocalyptic number.

It is an amenable number.

690932 is a deficient number, since it is larger than the sum of its proper divisors (663820).

690932 is a wasteful number, since it uses less digits than its factorization.

690932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 690932 is about 831.2231950565. The cubic root of 690932 is about 88.4053271702.

The spelling of 690932 in words is "six hundred ninety thousand, nine hundred thirty-two".