6390748 has 48 divisors (see below), whose sum is σ = 13983424. Its totient is φ = 2488320.

The previous prime is 6390733. The next prime is 6390749. The reversal of 6390748 is 8470936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35218 + ... + 35398.

Almost surely, 2^6390748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6390748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6991712).

6390748 is an abundant number, since it is smaller than the sum of its proper divisors (7592676).

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

6390748 is a wasteful number, since it uses less digits than its factorization.

6390748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6390748 is about 2527.9928797368. The cubic root of 6390748 is about 185.5740435734.

The spelling of 6390748 in words is "six million, three hundred ninety thousand, seven hundred forty-eight".