44987983 has 4 divisors (see below), whose sum is σ = 45014920. Its totient is φ = 44961048.

The previous prime is 44987959. The next prime is 44987993. The reversal of 44987983 is 38978944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44987983 - 2⁵ = 44987951 is a prime.

It is a super-2 number, since 2×44987983² = 4047837228816578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44987983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44987993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10785 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (11253730).

Almost surely, 2^44987983 is an apocalyptic number.

44987983 is a deficient number, since it is larger than the sum of its proper divisors (26937).

44987983 is a wasteful number, since it uses less digits than its factorization.

44987983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26936.

The product of its digits is 1741824, while the sum is 52.

The square root of 44987983 is about 6707.3081783976. The cubic root of 44987983 is about 355.6576660104.

The spelling of 44987983 in words is "forty-four million, nine hundred eighty-seven thousand, nine hundred eighty-three".