690462864 has 120 divisors (see below), whose sum is σ = 2378306112. Its totient is φ = 182096640.

The previous prime is 690462863. The next prime is 690462881. The reversal of 690462864 is 468264096.

It is not an unprimeable number, because it can be changed into a prime (690462863) 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 23 ways as a sum of consecutive naturals, for example, 13242 + ... + 39449.

Almost surely, 2^690462864 is an apocalyptic number.

It is an amenable number.

690462864 is an abundant number, since it is smaller than the sum of its proper divisors (1687843248).

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

690462864 is a wasteful number, since it uses less digits than its factorization.

690462864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52725 (or 52716 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 690462864 is about 26276.6600617354. The cubic root of 690462864 is about 883.8531385875.

The spelling of 690462864 in words is "six hundred ninety million, four hundred sixty-two thousand, eight hundred sixty-four".