38479147 has 4 divisors (see below), whose sum is σ = 43976176. Its totient is φ = 32982120.

The previous prime is 38479141. The next prime is 38479157. The reversal of 38479147 is 74197483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74197483 = 131 ⋅566393.

It is a cyclic number.

It is not a de Polignac number, because 38479147 - 2³ = 38479139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38479141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2748504 + ... + 2748517.

It is an arithmetic number, because the mean of its divisors is an integer number (10994044).

Almost surely, 2^38479147 is an apocalyptic number.

38479147 is a deficient number, since it is larger than the sum of its proper divisors (5497029).

38479147 is an equidigital number, since it uses as much as digits as its factorization.

38479147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497028.

The product of its digits is 169344, while the sum is 43.

The square root of 38479147 is about 6203.1562127678. The cubic root of 38479147 is about 337.6046958226.

The spelling of 38479147 in words is "thirty-eight million, four hundred seventy-nine thousand, one hundred forty-seven".