6039981 has 16 divisors (see below), whose sum is σ = 9475200. Its totient is φ = 3789504.

The previous prime is 6039977. The next prime is 6040019. The reversal of 6039981 is 1899306.

It is not a de Polignac number, because 6039981 - 2² = 6039977 is a prime.

It is a super-2 number, since 2×6039981² = 72962740960722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6039911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6121 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (592200).

Almost surely, 2^6039981 is an apocalyptic number.

It is an amenable number.

6039981 is a deficient number, since it is larger than the sum of its proper divisors (3435219).

6039981 is a wasteful number, since it uses less digits than its factorization.

6039981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185 (or 13179 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 6039981 is about 2457.6372799907. The cubic root of 6039981 is about 182.1147788651.

The spelling of 6039981 in words is "six million, thirty-nine thousand, nine hundred eighty-one".