6390696 has 32 divisors (see below), whose sum is σ = 17206560. Its totient is φ = 1966272.

The previous prime is 6390689. The next prime is 6390697. The reversal of 6390696 is 6960936.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6390697) 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, 9930 + ... + 10553.

It is an arithmetic number, because the mean of its divisors is an integer number (537705).

Almost surely, 2^6390696 is an apocalyptic number.

It is an amenable number.

6390696 is an abundant number, since it is smaller than the sum of its proper divisors (10815864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6390696 is a wasteful number, since it uses less digits than its factorization.

6390696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20505 (or 20501 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 6390696 is about 2527.9825948768. The cubic root of 6390696 is about 185.5735402480.

The spelling of 6390696 in words is "six million, three hundred ninety thousand, six hundred ninety-six".