690296944 has 30 divisors (see below), whose sum is σ = 1356215280. Its totient is φ = 340318368.

The previous prime is 690296941. The next prime is 690296977. The reversal of 690296944 is 449692096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690296941) 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 5 ways as a sum of consecutive naturals, for example, 933727 + ... + 934465.

It is an arithmetic number, because the mean of its divisors is an integer number (45207176).

Almost surely, 2^690296944 is an apocalyptic number.

It is an amenable number.

690296944 is a deficient number, since it is larger than the sum of its proper divisors (665918336).

690296944 is an frugal number, since it uses more digits than its factorization.

690296944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 690296944 is about 26273.5026975849. The cubic root of 690296944 is about 883.7823355225.

The spelling of 690296944 in words is "six hundred ninety million, two hundred ninety-six thousand, nine hundred forty-four".