38938558 has 4 divisors (see below), whose sum is σ = 58407840. Its totient is φ = 19469278.

The previous prime is 38938553. The next prime is 38938567. The reversal of 38938558 is 85583983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85583983 = 4373 ⋅19571.

It is a super-2 number, since 2×38938558² = 3032422598238728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38938553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9734638 + ... + 9734641.

It is an arithmetic number, because the mean of its divisors is an integer number (14601960).

Almost surely, 2^38938558 is an apocalyptic number.

38938558 is a deficient number, since it is larger than the sum of its proper divisors (19469282).

38938558 is a wasteful number, since it uses less digits than its factorization.

38938558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19469281.

The product of its digits is 1036800, while the sum is 49.

The square root of 38938558 is about 6240.0767623484. The cubic root of 38938558 is about 338.9429628227.

The spelling of 38938558 in words is "thirty-eight million, nine hundred thirty-eight thousand, five hundred fifty-eight".