84744044 has 36 divisors (see below), whose sum is σ = 186304272. Its totient is φ = 33015840.

The previous prime is 84744041. The next prime is 84744053. The reversal of 84744044 is 44044748.

84744044 = 18² + 19² + ... + 633².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84743995 and 84744013.

It is not an unprimeable number, because it can be changed into a prime (84744041) 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 11 ways as a sum of consecutive naturals, for example, 9119 + ... + 15894.

Almost surely, 2^84744044 is an apocalyptic number.

It is an amenable number.

84744044 is an abundant number, since it is smaller than the sum of its proper divisors (101560228).

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

84744044 is a wasteful number, since it uses less digits than its factorization.

84744044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25046 (or 25033 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The square root of 84744044 is about 9205.6528285614. The cubic root of 84744044 is about 439.2411921401.

The spelling of 84744044 in words is "eighty-four million, seven hundred forty-four thousand, forty-four".