84842656 has 12 divisors (see below), whose sum is σ = 167034042. Its totient is φ = 42421312.

The previous prime is 84842651. The next prime is 84842663. The reversal of 84842656 is 65624848.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 34999056 = 7060^2 + 5916^2 .

It is not an unprimeable number, because it can be changed into a prime (84842651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325635 + ... + 1325698.

Almost surely, 2^84842656 is an apocalyptic number.

It is an amenable number.

84842656 is a deficient number, since it is larger than the sum of its proper divisors (82191386).

84842656 is a wasteful number, since it uses less digits than its factorization.

84842656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651343 (or 2651335 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 84842656 is about 9211.0073281916. The cubic root of 84842656 is about 439.4114997328.

The spelling of 84842656 in words is "eighty-four million, eight hundred forty-two thousand, six hundred fifty-six".