38479169 has 2 divisors, whose sum is σ = 38479170. Its totient is φ = 38479168.

The previous prime is 38479163. The next prime is 38479171. The reversal of 38479169 is 96197483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 13359025 = 5012^2 + 3655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38479169 is a prime.

It is a super-2 number, since 2×38479169² = 2961292893861122, which contains 22 as substring.

Together with 38479171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38479163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19239584 + 19239585.

It is an arithmetic number, because the mean of its divisors is an integer number (19239585).

Almost surely, 2^38479169 is an apocalyptic number.

It is an amenable number.

38479169 is a deficient number, since it is larger than the sum of its proper divisors (1).

38479169 is an equidigital number, since it uses as much as digits as its factorization.

38479169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 38479169 is about 6203.1579860584. The cubic root of 38479169 is about 337.6047601631.

The spelling of 38479169 in words is "thirty-eight million, four hundred seventy-nine thousand, one hundred sixty-nine".