690493832 has 16 divisors (see below), whose sum is σ = 1479629760. Its totient is φ = 295925904.

The previous prime is 690493819. The next prime is 690493883. The reversal of 690493832 is 238394096.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165068 + ... + 6165179.

It is an arithmetic number, because the mean of its divisors is an integer number (92476860).

Almost surely, 2^690493832 is an apocalyptic number.

It is an amenable number.

690493832 is an abundant number, since it is smaller than the sum of its proper divisors (789135928).

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

690493832 is a wasteful number, since it uses less digits than its factorization.

690493832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330260 (or 12330256 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 690493832 is about 26277.2493233215. The cubic root of 690493832 is about 883.8663523104.

The spelling of 690493832 in words is "six hundred ninety million, four hundred ninety-three thousand, eight hundred thirty-two".