44478984 has 32 divisors (see below), whose sum is σ = 121307040. Its totient is φ = 13478400.

The previous prime is 44478983. The next prime is 44478989. The reversal of 44478984 is 48987444.

It is not an unprimeable number, because it can be changed into a prime (44478983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83977 + ... + 84504.

It is an arithmetic number, because the mean of its divisors is an integer number (3790845).

Almost surely, 2^44478984 is an apocalyptic number.

44478984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44478984 is an abundant number, since it is smaller than the sum of its proper divisors (76828056).

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

44478984 is a wasteful number, since it uses less digits than its factorization.

44478984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168501 (or 168497 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 44478984 is about 6669.2566302400. The cubic root of 44478984 is about 354.3112586879.

It can be divided in two parts, 4447 and 8984, that added together give a palindrome (13431).

The spelling of 44478984 in words is "forty-four million, four hundred seventy-eight thousand, nine hundred eighty-four".