6344990 has 8 divisors (see below), whose sum is σ = 11421000. Its totient is φ = 2537992.

The previous prime is 6344983. The next prime is 6345007. The reversal of 6344990 is 994436.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6344990.

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, 317240 + ... + 317259.

It is an arithmetic number, because the mean of its divisors is an integer number (1427625).

Almost surely, 2^6344990 is an apocalyptic number.

6344990 is a deficient number, since it is larger than the sum of its proper divisors (5076010).

6344990 is a wasteful number, since it uses less digits than its factorization.

6344990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634506.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6344990 is about 2518.9263585901. The cubic root of 6344990 is about 185.1300765255.

The spelling of 6344990 in words is "six million, three hundred forty-four thousand, nine hundred ninety".