6390750 has 32 divisors (see below), whose sum is σ = 15953184. Its totient is φ = 1704000.

The previous prime is 6390749. The next prime is 6390763. The reversal of 6390750 is 570936.

6390750 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3511 + ... + 5010.

It is an arithmetic number, because the mean of its divisors is an integer number (498537).

Almost surely, 2^6390750 is an apocalyptic number.

6390750 is an abundant number, since it is smaller than the sum of its proper divisors (9562434).

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

6390750 is a wasteful number, since it uses less digits than its factorization.

6390750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541 (or 8531 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 6390750 is about 2527.9932753075. The cubic root of 6390750 is about 185.5740629320.

It can be divided in two parts, 6390 and 750, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 6390750 in words is "six million, three hundred ninety thousand, seven hundred fifty".