44389688 has 40 divisors (see below), whose sum is σ = 97138680. Its totient is φ = 19015920.

The previous prime is 44389687. The next prime is 44389727. The reversal of 44389688 is 88698344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44389687) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18053 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (2428467).

Almost surely, 2^44389688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44389688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48569340).

44389688 is an abundant number, since it is smaller than the sum of its proper divisors (52748992).

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

44389688 is an equidigital number, since it uses as much as digits as its factorization.

44389688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2320 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 44389688 is about 6662.5586676591. The cubic root of 44389688 is about 354.0739947676.

The spelling of 44389688 in words is "forty-four million, three hundred eighty-nine thousand, six hundred eighty-eight".