6139964 has 12 divisors (see below), whose sum is σ = 11310600. Its totient is φ = 2908368.

The previous prime is 6139961. The next prime is 6139979. The reversal of 6139964 is 4699316.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139961) 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, 40319 + ... + 40470.

It is an arithmetic number, because the mean of its divisors is an integer number (942550).

Almost surely, 2^6139964 is an apocalyptic number.

It is an amenable number.

6139964 is a deficient number, since it is larger than the sum of its proper divisors (5170636).

6139964 is a wasteful number, since it uses less digits than its factorization.

6139964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80812 (or 80810 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 6139964 is about 2477.8950744533. The cubic root of 6139964 is about 183.1141652782.

The spelling of 6139964 in words is "six million, one hundred thirty-nine thousand, nine hundred sixty-four".