38689479 has 12 divisors (see below), whose sum is σ = 56023032. Its totient is φ = 25729200.

The previous prime is 38689477. The next prime is 38689481. The reversal of 38689479 is 97498683.

It is an interprime number because it is at equal distance from previous prime (38689477) and next prime (38689481).

It is not a de Polignac number, because 38689479 - 2¹ = 38689477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38689471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (4668586).

Almost surely, 2^38689479 is an apocalyptic number.

38689479 is a deficient number, since it is larger than the sum of its proper divisors (17333553).

38689479 is a wasteful number, since it uses less digits than its factorization.

38689479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638 (or 10635 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 38689479 is about 6220.0867357297. The cubic root of 38689479 is about 338.2187087472.

The spelling of 38689479 in words is "thirty-eight million, six hundred eighty-nine thousand, four hundred seventy-nine".