84659856 has 20 divisors (see below), whose sum is σ = 218704752. Its totient is φ = 28219936.

The previous prime is 84659837. The next prime is 84659857. The reversal of 84659856 is 65895648.

It is a junction number, because it is equal to n+sod(n) for n = 84659799 and 84659808.

It is not an unprimeable number, because it can be changed into a prime (84659857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881826 + ... + 881921.

Almost surely, 2^84659856 is an apocalyptic number.

It is an amenable number.

84659856 is an abundant number, since it is smaller than the sum of its proper divisors (134044896).

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

84659856 is a wasteful number, since it uses less digits than its factorization.

84659856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763758 (or 1763752 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 84659856 is about 9201.0790671529. The cubic root of 84659856 is about 439.0956909032.

The spelling of 84659856 in words is "eighty-four million, six hundred fifty-nine thousand, eight hundred fifty-six".