44688987 has 12 divisors (see below), whose sum is σ = 73772400. Its totient is φ = 25536528.

The previous prime is 44688983. The next prime is 44689037. The reversal of 44688987 is 78988644.

It is not a de Polignac number, because 44688987 - 2² = 44688983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44688983) 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, 354612 + ... + 354737.

It is an arithmetic number, because the mean of its divisors is an integer number (6147700).

Almost surely, 2^44688987 is an apocalyptic number.

44688987 is a deficient number, since it is larger than the sum of its proper divisors (29083413).

44688987 is a wasteful number, since it uses less digits than its factorization.

44688987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709362 (or 709359 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 44688987 is about 6684.9821989292. The cubic root of 44688987 is about 354.8679982682.

The spelling of 44688987 in words is "forty-four million, six hundred eighty-eight thousand, nine hundred eighty-seven".