879386394 has 32 divisors (see below), whose sum is σ = 1782120960. Its totient is φ = 289251072.

The previous prime is 879386377. The next prime is 879386407. The reversal of 879386394 is 493683978.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322782 + ... + 325494.

It is an arithmetic number, because the mean of its divisors is an integer number (55691280).

Almost surely, 2^879386394 is an apocalyptic number.

879386394 is an abundant number, since it is smaller than the sum of its proper divisors (902734566).

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

879386394 is a wasteful number, since it uses less digits than its factorization.

879386394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414.

The product of its digits is 7838208, while the sum is 57.

The square root of 879386394 is about 29654.4498178604. The cubic root of 879386394 is about 958.0611890200.

The spelling of 879386394 in words is "eight hundred seventy-nine million, three hundred eighty-six thousand, three hundred ninety-four".