44328987 has 6 divisors (see below), whose sum is σ = 64030772. Its totient is φ = 29552652.

The previous prime is 44328983. The next prime is 44328989. The reversal of 44328987 is 78982344.

It is not a de Polignac number, because 44328987 - 2² = 44328983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44328983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2462713 + ... + 2462730.

Almost surely, 2^44328987 is an apocalyptic number.

44328987 is a deficient number, since it is larger than the sum of its proper divisors (19701785).

44328987 is a wasteful number, since it uses less digits than its factorization.

44328987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925449 (or 4925446 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 44328987 is about 6658.0017272452. The cubic root of 44328987 is about 353.9125274635.

The spelling of 44328987 in words is "forty-four million, three hundred twenty-eight thousand, nine hundred eighty-seven".