84918956 has 12 divisors (see below), whose sum is σ = 148813392. Its totient is φ = 42400848.

The previous prime is 84918943. The next prime is 84918973. The reversal of 84918956 is 65981948.

It is a happy number.

It is a super-2 number, since 2×84918956² = 14422458176259872, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 11315 + ... + 17258.

It is an arithmetic number, because the mean of its divisors is an integer number (12401116).

Almost surely, 2^84918956 is an apocalyptic number.

It is an amenable number.

84918956 is a deficient number, since it is larger than the sum of its proper divisors (63894436).

84918956 is a wasteful number, since it uses less digits than its factorization.

84918956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29320 (or 29318 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 84918956 is about 9215.1481811200. The cubic root of 84918956 is about 439.5431829120.

The spelling of 84918956 in words is "eighty-four million, nine hundred eighteen thousand, nine hundred fifty-six".