6390712 has 32 divisors (see below), whose sum is σ = 12574080. Its totient is φ = 3041280.

The previous prime is 6390697. The next prime is 6390719. The reversal of 6390712 is 2170936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17928 + ... + 18280.

It is an arithmetic number, because the mean of its divisors is an integer number (392940).

Almost surely, 2^6390712 is an apocalyptic number.

6390712 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6390712 is a deficient number, since it is larger than the sum of its proper divisors (6183368).

6390712 is a wasteful number, since it uses less digits than its factorization.

6390712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 6390712 is about 2527.9857594536. The cubic root of 6390712 is about 185.5736951176.

The spelling of 6390712 in words is "six million, three hundred ninety thousand, seven hundred twelve".