38382979 has 4 divisors (see below), whose sum is σ = 39706560. Its totient is φ = 37059400.

The previous prime is 38382947. The next prime is 38382989. The reversal of 38382979 is 97928383.

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

It is a cyclic number.

It is not a de Polignac number, because 38382979 - 2⁵ = 38382947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38382989) 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, 661747 + ... + 661804.

It is an arithmetic number, because the mean of its divisors is an integer number (9926640).

Almost surely, 2^38382979 is an apocalyptic number.

38382979 is a deficient number, since it is larger than the sum of its proper divisors (1323581).

38382979 is a wasteful number, since it uses less digits than its factorization.

38382979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323580.

The product of its digits is 653184, while the sum is 49.

The square root of 38382979 is about 6195.3998256771. The cubic root of 38382979 is about 337.3232112976.

The spelling of 38382979 in words is "thirty-eight million, three hundred eighty-two thousand, nine hundred seventy-nine".