5015988 has 18 divisors (see below), whose sum is σ = 12679394. Its totient is φ = 1671984.

The previous prime is 5015987. The next prime is 5016013. The reversal of 5015988 is 8895105.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 1710864 = 1818^2 + 1308^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5015988² = 50320271232288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 139333 = 5015988 / (5 + 0 + 1 + 5 + 9 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5015987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69631 + ... + 69702.

Almost surely, 2^5015988 is an apocalyptic number.

It is an amenable number.

5015988 is an abundant number, since it is smaller than the sum of its proper divisors (7663406).

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

5015988 is a wasteful number, since it uses less digits than its factorization.

5015988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139343 (or 139338 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5015988 is about 2239.6401496669. The cubic root of 5015988 is about 171.1796613827.

The spelling of 5015988 in words is "five million, fifteen thousand, nine hundred eighty-eight".