6390658 has 8 divisors (see below), whose sum is σ = 9640080. Its totient is φ = 3177300.

The previous prime is 6390653. The next prime is 6390679. The reversal of 6390658 is 8560936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6390653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8568 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (1205010).

Almost surely, 2^6390658 is an apocalyptic number.

6390658 is a deficient number, since it is larger than the sum of its proper divisors (3249422).

6390658 is a wasteful number, since it uses less digits than its factorization.

6390658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6390658 is about 2527.9750789911. The cubic root of 6390658 is about 185.5731724316.

The spelling of 6390658 in words is "six million, three hundred ninety thousand, six hundred fifty-eight".