5039989 has 4 divisors (see below), whose sum is σ = 5044480. Its totient is φ = 5035500.

The previous prime is 5039977. The next prime is 5039999. The reversal of 5039989 is 9899305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5039989 - 2⁹ = 5039477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5039999) 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, 1114 + ... + 3364.

It is an arithmetic number, because the mean of its divisors is an integer number (1261120).

Almost surely, 2^5039989 is an apocalyptic number.

It is an amenable number.

5039989 is a deficient number, since it is larger than the sum of its proper divisors (4491).

5039989 is a wasteful number, since it uses less digits than its factorization.

5039989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 5039989 is about 2244.9919821683. The cubic root of 5039989 is about 171.4522529123.

The spelling of 5039989 in words is "five million, thirty-nine thousand, nine hundred eighty-nine".