890246979 has 12 divisors (see below), whose sum is σ = 1286917632. Its totient is φ = 593034000.

The previous prime is 890246977. The next prime is 890247053. The reversal of 890246979 is 979642098.

It is not a de Polignac number, because 890246979 - 2¹ = 890246977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (890246977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26307 + ... + 49724.

It is an arithmetic number, because the mean of its divisors is an integer number (107243136).

Almost surely, 2^890246979 is an apocalyptic number.

890246979 is a deficient number, since it is larger than the sum of its proper divisors (396670653).

890246979 is a wasteful number, since it uses less digits than its factorization.

890246979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77338 (or 77335 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 890246979 is about 29837.0068706631. The cubic root of 890246979 is about 961.9891405854.

The spelling of 890246979 in words is "eight hundred ninety million, two hundred forty-six thousand, nine hundred seventy-nine".