890244456 has 32 divisors (see below), whose sum is σ = 2227100640. Its totient is φ = 296549568.

The previous prime is 890244427. The next prime is 890244469. The reversal of 890244456 is 654442098.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26715 + ... + 49941.

It is an arithmetic number, because the mean of its divisors is an integer number (69596895).

Almost surely, 2^890244456 is an apocalyptic number.

It is an amenable number.

890244456 is an abundant number, since it is smaller than the sum of its proper divisors (1336856184).

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

890244456 is a wasteful number, since it uses less digits than its factorization.

890244456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833 (or 24829 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 890244456 is about 29836.9645909231. The cubic root of 890244456 is about 961.9882318110.

The spelling of 890244456 in words is "eight hundred ninety million, two hundred forty-four thousand, four hundred fifty-six".