6913988 has 12 divisors (see below), whose sum is σ = 12180672. Its totient is φ = 3433800.

The previous prime is 6913987. The next prime is 6913993. The reversal of 6913988 is 8893196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6913987) 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, 5120 + ... + 6327.

It is an arithmetic number, because the mean of its divisors is an integer number (1015056).

Almost surely, 2^6913988 is an apocalyptic number.

It is an amenable number.

6913988 is a deficient number, since it is larger than the sum of its proper divisors (5266684).

6913988 is a wasteful number, since it uses less digits than its factorization.

6913988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602 (or 11600 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 6913988 is about 2629.4463295530. The cubic root of 6913988 is about 190.5063869468.

The spelling of 6913988 in words is "six million, nine hundred thirteen thousand, nine hundred eighty-eight".