690692392 has 32 divisors (see below), whose sum is σ = 1455310080. Its totient is φ = 304920000.

The previous prime is 690692377. The next prime is 690692393. The reversal of 690692392 is 293296096.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (690692393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141984 + ... + 146767.

It is an arithmetic number, because the mean of its divisors is an integer number (45478440).

Almost surely, 2^690692392 is an apocalyptic number.

It is an amenable number.

690692392 is an abundant number, since it is smaller than the sum of its proper divisors (764617688).

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

690692392 is a wasteful number, since it uses less digits than its factorization.

690692392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288793 (or 288789 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 690692392 is about 26281.0272249773. The cubic root of 690692392 is about 883.9510664068.

The spelling of 690692392 in words is "six hundred ninety million, six hundred ninety-two thousand, three hundred ninety-two".