38495939 has 4 divisors (see below), whose sum is σ = 40760424. Its totient is φ = 36231456.

The previous prime is 38495921. The next prime is 38495959. The reversal of 38495939 is 93959483.

38495939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93959483 = 71 ⋅1323373.

It is a cyclic number.

It is not a de Polignac number, because 38495939 - 2⁸ = 38495683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38495909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132217 + ... + 1132250.

It is an arithmetic number, because the mean of its divisors is an integer number (10190106).

Almost surely, 2^38495939 is an apocalyptic number.

38495939 is a deficient number, since it is larger than the sum of its proper divisors (2264485).

38495939 is a wasteful number, since it uses less digits than its factorization.

38495939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264484.

The product of its digits is 1049760, while the sum is 50.

The square root of 38495939 is about 6204.5095696598. The cubic root of 38495939 is about 337.6537980338.

The spelling of 38495939 in words is "thirty-eight million, four hundred ninety-five thousand, nine hundred thirty-nine".