8321938 has 4 divisors (see below), whose sum is σ = 12482910. Its totient is φ = 4160968.

The previous prime is 8321903. The next prime is 8321941. The reversal of 8321938 is 8391238.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8391238 = 2 ⋅4195619.

It can be written as a sum of positive squares in only one way, i.e., 8139609 + 182329 = 2853^2 + 427^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080483 + ... + 2080486.

Almost surely, 2^8321938 is an apocalyptic number.

8321938 is a deficient number, since it is larger than the sum of its proper divisors (4160972).

8321938 is a wasteful number, since it uses less digits than its factorization.

8321938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160971.

The product of its digits is 10368, while the sum is 34.

The square root of 8321938 is about 2884.7769411169. The cubic root of 8321938 is about 202.6476127391.

The spelling of 8321938 in words is "eight million, three hundred twenty-one thousand, nine hundred thirty-eight".