6321998 has 8 divisors (see below), whose sum is σ = 9551640. Its totient is φ = 3138120.

The previous prime is 6321983. The next prime is 6322009. The reversal of 6321998 is 8991236.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11093 + ... + 11648.

It is an arithmetic number, because the mean of its divisors is an integer number (1193955).

Almost surely, 2^6321998 is an apocalyptic number.

6321998 is a deficient number, since it is larger than the sum of its proper divisors (3229642).

6321998 is a wasteful number, since it uses less digits than its factorization.

6321998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22882.

The product of its digits is 23328, while the sum is 38.

The square root of 6321998 is about 2514.3583674568. The cubic root of 6321998 is about 184.9061905694.

The spelling of 6321998 in words is "six million, three hundred twenty-one thousand, nine hundred ninety-eight".