84388944 has 40 divisors (see below), whose sum is σ = 225041152. Its totient is φ = 27221760.

The previous prime is 84388943. The next prime is 84388963. The reversal of 84388944 is 44988348.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 84388893 and 84388902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84388943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26869 + ... + 29844.

Almost surely, 2^84388944 is an apocalyptic number.

It is an amenable number.

84388944 is an abundant number, since it is smaller than the sum of its proper divisors (140652208).

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

84388944 is a wasteful number, since it uses less digits than its factorization.

84388944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56755 (or 56749 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 84388944 is about 9186.3455193020. The cubic root of 84388944 is about 438.6268208845.

The spelling of 84388944 in words is "eighty-four million, three hundred eighty-eight thousand, nine hundred forty-four".