84739828 has 12 divisors (see below), whose sum is σ = 148395520. Its totient is φ = 42341112.

The previous prime is 84739819. The next prime is 84739901. The reversal of 84739828 is 82893748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 13021.

Almost surely, 2^84739828 is an apocalyptic number.

It is an amenable number.

84739828 is a deficient number, since it is larger than the sum of its proper divisors (63655692).

84739828 is a wasteful number, since it uses less digits than its factorization.

84739828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14406 (or 14404 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 84739828 is about 9205.4238359784. The cubic root of 84739828 is about 439.2339079641.

The spelling of 84739828 in words is "eighty-four million, seven hundred thirty-nine thousand, eight hundred twenty-eight".