44399684 has 36 divisors (see below), whose sum is σ = 90780480. Its totient is φ = 18945360.

The previous prime is 44399681. The next prime is 44399687. The reversal of 44399684 is 48699344.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44399681) and next prime (44399687).

It is not an unprimeable number, because it can be changed into a prime (44399681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70049 + ... + 70679.

It is an arithmetic number, because the mean of its divisors is an integer number (2521680).

Almost surely, 2^44399684 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 44399684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45390240).

44399684 is an abundant number, since it is smaller than the sum of its proper divisors (46380796).

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

44399684 is a wasteful number, since it uses less digits than its factorization.

44399684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 999 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 44399684 is about 6663.3087876820. The cubic root of 44399684 is about 354.1005704445.

The spelling of 44399684 in words is "forty-four million, three hundred ninety-nine thousand, six hundred eighty-four".