6389972 has 24 divisors (see below), whose sum is σ = 11590656. Its totient is φ = 3080448.

The previous prime is 6389963. The next prime is 6389983. The reversal of 6389972 is 2799836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16493 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (482944).

Almost surely, 2^6389972 is an apocalyptic number.

It is an amenable number.

6389972 is a deficient number, since it is larger than the sum of its proper divisors (5200684).

6389972 is a wasteful number, since it uses less digits than its factorization.

6389972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 525 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 6389972 is about 2527.8393936324. The cubic root of 6389972 is about 185.5665321268.

The spelling of 6389972 in words is "six million, three hundred eighty-nine thousand, nine hundred seventy-two".