6390766 has 4 divisors (see below), whose sum is σ = 9586152. Its totient is φ = 3195382.

The previous prime is 6390763. The next prime is 6390799. The reversal of 6390766 is 6670936.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597690 + ... + 1597693.

It is an arithmetic number, because the mean of its divisors is an integer number (2396538).

Almost surely, 2^6390766 is an apocalyptic number.

6390766 is a deficient number, since it is larger than the sum of its proper divisors (3195386).

6390766 is a wasteful number, since it uses less digits than its factorization.

6390766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195385.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 6390766 is about 2527.9964398709. The cubic root of 6390766 is about 185.5742178007.

The spelling of 6390766 in words is "six million, three hundred ninety thousand, seven hundred sixty-six".