679002894 has 24 divisors (see below), whose sum is σ = 1487706480. Its totient is φ = 223790688.

The previous prime is 679002887. The next prime is 679002911. The reversal of 679002894 is 498200976.

It is a happy number.

It is a super-2 number, since 2×679002894² = 922089860120750472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210322 + ... + 213525.

It is an arithmetic number, because the mean of its divisors is an integer number (61987770).

Almost surely, 2^679002894 is an apocalyptic number.

679002894 is an abundant number, since it is smaller than the sum of its proper divisors (808703586).

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

679002894 is a wasteful number, since it uses less digits than its factorization.

679002894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423944 (or 423941 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 679002894 is about 26057.6839722950. The cubic root of 679002894 is about 878.9359099369.

The spelling of 679002894 in words is "six hundred seventy-nine million, two thousand, eight hundred ninety-four".