836379089 has 32 divisors (see below), whose sum is σ = 1060819200. Its totient is φ = 655191936.

The previous prime is 836379067. The next prime is 836379119. The reversal of 836379089 is 980973638.

It is a de Polignac number, because none of the positive numbers 2^k-836379089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 836379089.

It is not an unprimeable number, because it can be changed into a prime (836379029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476237 + ... + 477989.

It is an arithmetic number, because the mean of its divisors is an integer number (33150600).

Almost surely, 2^836379089 is an apocalyptic number.

It is an amenable number.

836379089 is a deficient number, since it is larger than the sum of its proper divisors (224440111).

836379089 is a wasteful number, since it uses less digits than its factorization.

836379089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 836379089 is about 28920.2193802191. The cubic root of 836379089 is about 942.1811012947.

The spelling of 836379089 in words is "eight hundred thirty-six million, three hundred seventy-nine thousand, eighty-nine".