38873139 has 8 divisors (see below), whose sum is σ = 52561152. Its totient is φ = 25550280.

The previous prime is 38873129. The next prime is 38873141. The reversal of 38873139 is 93137883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38873139 - 2¹² = 38869043 is a prime.

It is a super-2 number, since 2×38873139² = 3022241871426642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38873139.

It is not an unprimeable number, because it can be changed into a prime (38873119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91039 + ... + 91464.

It is an arithmetic number, because the mean of its divisors is an integer number (6570144).

Almost surely, 2^38873139 is an apocalyptic number.

38873139 is a deficient number, since it is larger than the sum of its proper divisors (13688013).

38873139 is a wasteful number, since it uses less digits than its factorization.

38873139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182577.

The product of its digits is 108864, while the sum is 42.

The square root of 38873139 is about 6234.8327162804. The cubic root of 38873139 is about 338.7530419156.

The spelling of 38873139 in words is "thirty-eight million, eight hundred seventy-three thousand, one hundred thirty-nine".