690897496 has 24 divisors (see below), whose sum is σ = 1338583860. Its totient is φ = 334301520.

The previous prime is 690897463. The next prime is 690897499. The reversal of 690897496 is 694798096.

It is a self number, because there is not a number n which added to its sum of digits gives 690897496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690897499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37246 + ... + 52621.

Almost surely, 2^690897496 is an apocalyptic number.

It is an amenable number.

690897496 is a deficient number, since it is larger than the sum of its proper divisors (647686364).

690897496 is a wasteful number, since it uses less digits than its factorization.

690897496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89935 (or 89900 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 690897496 is about 26284.9290659115. The cubic root of 690897496 is about 884.0385554050.

The spelling of 690897496 in words is "six hundred ninety million, eight hundred ninety-seven thousand, four hundred ninety-six".