38774979 has 6 divisors (see below), whose sum is σ = 56008316. Its totient is φ = 25849980.

The previous prime is 38774969. The next prime is 38774993. The reversal of 38774979 is 97947783.

38774979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38774979 - 2⁴ = 38774963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38774969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154157 + ... + 2154174.

Almost surely, 2^38774979 is an apocalyptic number.

38774979 is a deficient number, since it is larger than the sum of its proper divisors (17233337).

38774979 is a wasteful number, since it uses less digits than its factorization.

38774979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308337 (or 4308334 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 38774979 is about 6226.9558373253. The cubic root of 38774979 is about 338.4676689701.

The spelling of 38774979 in words is "thirty-eight million, seven hundred seventy-four thousand, nine hundred seventy-nine".