690929392 has 10 divisors (see below), whose sum is σ = 1338675728. Its totient is φ = 345464688.

The previous prime is 690929389. The next prime is 690929399. The reversal of 690929392 is 293929096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690929399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21591528 + ... + 21591559.

Almost surely, 2^690929392 is an apocalyptic number.

It is an amenable number.

690929392 is a deficient number, since it is larger than the sum of its proper divisors (647746336).

690929392 is a wasteful number, since it uses less digits than its factorization.

690929392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43183095 (or 43183089 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 690929392 is about 26285.5357944250. The cubic root of 690929392 is about 884.0521593815.

The spelling of 690929392 in words is "six hundred ninety million, nine hundred twenty-nine thousand, three hundred ninety-two".