38149579 has 4 divisors (see below), whose sum is σ = 41084176. Its totient is φ = 35214984.

The previous prime is 38149567. The next prime is 38149603. The reversal of 38149579 is 97594183.

It is a happy number.

38149579 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: 97594183 = 157 ⋅621619.

It is a cyclic number.

It is not a de Polignac number, because 38149579 - 2⁷ = 38149451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38149519) 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, 1467279 + ... + 1467304.

It is an arithmetic number, because the mean of its divisors is an integer number (10271044).

Almost surely, 2^38149579 is an apocalyptic number.

38149579 is a deficient number, since it is larger than the sum of its proper divisors (2934597).

38149579 is a wasteful number, since it uses less digits than its factorization.

38149579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934596.

The product of its digits is 272160, while the sum is 46.

The square root of 38149579 is about 6176.5345461675. The cubic root of 38149579 is about 336.6380867591.

The spelling of 38149579 in words is "thirty-eight million, one hundred forty-nine thousand, five hundred seventy-nine".