938442418 has 4 divisors (see below), whose sum is σ = 1407663630. Its totient is φ = 469221208.

The previous prime is 938442403. The next prime is 938442419. The reversal of 938442418 is 814244839.

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., 876929769 + 61512649 = 29613^2 + 7843^2 .

It is not an unprimeable number, because it can be changed into a prime (938442419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234610603 + ... + 234610606.

Almost surely, 2^938442418 is an apocalyptic number.

938442418 is a deficient number, since it is larger than the sum of its proper divisors (469221212).

938442418 is a wasteful number, since it uses less digits than its factorization.

938442418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469221211.

The product of its digits is 221184, while the sum is 43.

The square root of 938442418 is about 30634.0075406402. The cubic root of 938442418 is about 979.0447508395.

The spelling of 938442418 in words is "nine hundred thirty-eight million, four hundred forty-two thousand, four hundred eighteen".