6015987 has 12 divisors (see below), whose sum is σ = 8713224. Its totient is φ = 3999840.

The previous prime is 6015983. The next prime is 6016009. The reversal of 6015987 is 7895106.

6015987 is a `hidden beast` number, since 60 + 1 + 598 + 7 = 666.

6015987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6015987 - 2² = 6015983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6015983) 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, 4048 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (726102).

Almost surely, 2^6015987 is an apocalyptic number.

6015987 is a deficient number, since it is larger than the sum of its proper divisors (2697237).

6015987 is a wasteful number, since it uses less digits than its factorization.

6015987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 6015987 is about 2452.7509045967. The cubic root of 6015987 is about 181.8733067473.

The spelling of 6015987 in words is "six million, fifteen thousand, nine hundred eighty-seven".