38673979 has 4 divisors (see below), whose sum is σ = 38857480. Its totient is φ = 38490480.

The previous prime is 38673953. The next prime is 38673983. The reversal of 38673979 is 97937683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38673979 is a prime.

It is a super-3 number, since 3×38673979³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38673989) 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, 91434 + ... + 91855.

It is an arithmetic number, because the mean of its divisors is an integer number (9714370).

Almost surely, 2^38673979 is an apocalyptic number.

38673979 is a deficient number, since it is larger than the sum of its proper divisors (183501).

38673979 is a wasteful number, since it uses less digits than its factorization.

38673979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183500.

The product of its digits is 1714608, while the sum is 52.

The square root of 38673979 is about 6218.8406475805. The cubic root of 38673979 is about 338.1735363441.

The spelling of 38673979 in words is "thirty-eight million, six hundred seventy-three thousand, nine hundred seventy-nine".