690932832 has 48 divisors (see below), whose sum is σ = 1828012032. Its totient is φ = 228493440.

The previous prime is 690932831. The next prime is 690932873. The reversal of 690932832 is 238239096.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690932831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16144 + ... + 40527.

It is an arithmetic number, because the mean of its divisors is an integer number (38083584).

Almost surely, 2^690932832 is an apocalyptic number.

It is an amenable number.

690932832 is an abundant number, since it is smaller than the sum of its proper divisors (1137079200).

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

690932832 is a wasteful number, since it uses less digits than its factorization.

690932832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56811 (or 56803 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 690932832 is about 26285.6012295705. The cubic root of 690932832 is about 884.0536265523.

The spelling of 690932832 in words is "six hundred ninety million, nine hundred thirty-two thousand, eight hundred thirty-two".