690466256 has 20 divisors (see below), whose sum is σ = 1395943392. Its totient is φ = 330222816.

The previous prime is 690466253. The next prime is 690466303. The reversal of 690466256 is 652664096.

690466256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690466253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937766 + ... + 938501.

Almost surely, 2^690466256 is an apocalyptic number.

It is an amenable number.

690466256 is an abundant number, since it is smaller than the sum of its proper divisors (705477136).

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

690466256 is a wasteful number, since it uses less digits than its factorization.

690466256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876298 (or 1876292 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 690466256 is about 26276.7246056277. The cubic root of 690466256 is about 883.8545859378.

The spelling of 690466256 in words is "six hundred ninety million, four hundred sixty-six thousand, two hundred fifty-six".