6394972 has 6 divisors (see below), whose sum is σ = 11191208. Its totient is φ = 3197484.

The previous prime is 6394967. The next prime is 6394981. The reversal of 6394972 is 2794936.

It is a d-powerful number, because it can be written as 6⁶ + 3¹⁰ + 9² + 4² + 9² + 7⁸ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799368 + ... + 799375.

Almost surely, 2^6394972 is an apocalyptic number.

It is an amenable number.

6394972 is a deficient number, since it is larger than the sum of its proper divisors (4796236).

6394972 is a wasteful number, since it uses less digits than its factorization.

6394972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598747 (or 1598745 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 6394972 is about 2528.8281871254. The cubic root of 6394972 is about 185.6149199634.

The spelling of 6394972 in words is "six million, three hundred ninety-four thousand, nine hundred seventy-two".