84645244 has 24 divisors (see below), whose sum is σ = 163664928. Its totient is φ = 38100480.

The previous prime is 84645217. The next prime is 84645251. The reversal of 84645244 is 44254648.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25497 + ... + 28624.

It is an arithmetic number, because the mean of its divisors is an integer number (6819372).

Almost surely, 2^84645244 is an apocalyptic number.

It is an amenable number.

84645244 is a deficient number, since it is larger than the sum of its proper divisors (79019684).

84645244 is a wasteful number, since it uses less digits than its factorization.

84645244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54165 (or 54163 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 84645244 is about 9200.2849955857. The cubic root of 84645244 is about 439.0704273143.

The spelling of 84645244 in words is "eighty-four million, six hundred forty-five thousand, two hundred forty-four".