84253656 has 16 divisors (see below), whose sum is σ = 210634200. Its totient is φ = 28084544.

The previous prime is 84253651. The next prime is 84253667. The reversal of 84253656 is 65635248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84253651) by changing a digit.

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, 1755261 + ... + 1755308.

Almost surely, 2^84253656 is an apocalyptic number.

It is an amenable number.

84253656 is an abundant number, since it is smaller than the sum of its proper divisors (126380544).

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

84253656 is a wasteful number, since it uses less digits than its factorization.

84253656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510578 (or 3510574 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 84253656 is about 9178.9790281926. The cubic root of 84253656 is about 438.3923008886.

The spelling of 84253656 in words is "eighty-four million, two hundred fifty-three thousand, six hundred fifty-six".