6368938 has 4 divisors (see below), whose sum is σ = 9553410. Its totient is φ = 3184468.

The previous prime is 6368927. The next prime is 6368977. The reversal of 6368938 is 8398636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5968249 + 400689 = 2443^2 + 633^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6368894 and 6368903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592233 + ... + 1592236.

Almost surely, 2^6368938 is an apocalyptic number.

6368938 is a deficient number, since it is larger than the sum of its proper divisors (3184472).

6368938 is a wasteful number, since it uses less digits than its factorization.

6368938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184471.

The product of its digits is 186624, while the sum is 43.

The square root of 6368938 is about 2523.6754941949. The cubic root of 6368938 is about 185.3626972722.

The spelling of 6368938 in words is "six million, three hundred sixty-eight thousand, nine hundred thirty-eight".