6390812 has 6 divisors (see below), whose sum is σ = 11183928. Its totient is φ = 3195404.

The previous prime is 6390799. The next prime is 6390829. The reversal of 6390812 is 2180936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798848 + ... + 798855.

It is an arithmetic number, because the mean of its divisors is an integer number (1863988).

Almost surely, 2^6390812 is an apocalyptic number.

It is an amenable number.

6390812 is a deficient number, since it is larger than the sum of its proper divisors (4793116).

6390812 is a wasteful number, since it uses less digits than its factorization.

6390812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597707 (or 1597705 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6390812 is about 2528.0055379686. The cubic root of 6390812 is about 185.5746630470.

The spelling of 6390812 in words is "six million, three hundred ninety thousand, eight hundred twelve".