44921604 has 96 divisors (see below), whose sum is σ = 133267456. Its totient is φ = 11456640.

The previous prime is 44921587. The next prime is 44921621. The reversal of 44921604 is 40612944.

It is an interprime number because it is at equal distance from previous prime (44921587) and next prime (44921621).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33189 + ... + 34515.

Almost surely, 2^44921604 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 44921604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66633728).

44921604 is an abundant number, since it is smaller than the sum of its proper divisors (88345852).

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

44921604 is a wasteful number, since it uses less digits than its factorization.

44921604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 44921604 is about 6702.3580924925. The cubic root of 44921604 is about 355.4826576390.

The spelling of 44921604 in words is "forty-four million, nine hundred twenty-one thousand, six hundred four".