6390198 has 32 divisors (see below), whose sum is σ = 15037920. Its totient is φ = 2004480.

The previous prime is 6390173. The next prime is 6390199. The reversal of 6390198 is 8910936.

6390198 is a `hidden beast` number, since 639 + 0 + 19 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (469935).

Almost surely, 2^6390198 is an apocalyptic number.

6390198 is an abundant number, since it is smaller than the sum of its proper divisors (8647722).

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

6390198 is a wasteful number, since it uses less digits than its factorization.

6390198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 6390198 is about 2527.8840954443. The cubic root of 6390198 is about 185.5687198015.

The spelling of 6390198 in words is "six million, three hundred ninety thousand, one hundred ninety-eight".