8499938 has 4 divisors (see below), whose sum is σ = 12749910. Its totient is φ = 4249968.

The previous prime is 8499937. The next prime is 8499971. The reversal of 8499938 is 8399948.

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., 7252249 + 1247689 = 2693^2 + 1117^2 .

It is not an unprimeable number, because it can be changed into a prime (8499937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124983 + ... + 2124986.

Almost surely, 2^8499938 is an apocalyptic number.

8499938 is a deficient number, since it is larger than the sum of its proper divisors (4249972).

8499938 is a wasteful number, since it uses less digits than its factorization.

8499938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249971.

The product of its digits is 559872, while the sum is 50.

The square root of 8499938 is about 2915.4653144910. The cubic root of 8499938 is about 204.0822588935.

The spelling of 8499938 in words is "eight million, four hundred ninety-nine thousand, nine hundred thirty-eight".