44389086 has 64 divisors (see below), whose sum is σ = 106070016. Its totient is φ = 12117600.

The previous prime is 44389069. The next prime is 44389087. The reversal of 44389086 is 68098344.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44389087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133941 + ... + 134271.

It is an arithmetic number, because the mean of its divisors is an integer number (1657344).

Almost surely, 2^44389086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44389086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53035008).

44389086 is an abundant number, since it is smaller than the sum of its proper divisors (61680930).

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

44389086 is a wasteful number, since it uses less digits than its factorization.

44389086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 44389086 is about 6662.5134896674. The cubic root of 44389086 is about 354.0723941443.

The spelling of 44389086 in words is "forty-four million, three hundred eighty-nine thousand, eighty-six".