84045844 has 24 divisors (see below), whose sum is σ = 149361408. Its totient is φ = 41376000.

The previous prime is 84045817. The next prime is 84045851. The reversal of 84045844 is 44854048.

It is a super-3 number, since 3×84045844³ (a number of 25 digits) contains 333 as substring.

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, 96957 + ... + 97819.

It is an arithmetic number, because the mean of its divisors is an integer number (6223392).

Almost surely, 2^84045844 is an apocalyptic number.

It is an amenable number.

84045844 is a deficient number, since it is larger than the sum of its proper divisors (65315564).

84045844 is a wasteful number, since it uses less digits than its factorization.

84045844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 84045844 is about 9167.6520440078. The cubic root of 84045844 is about 438.0315719894.

The spelling of 84045844 in words is "eighty-four million, forty-five thousand, eight hundred forty-four".