39874379 has 4 divisors (see below), whose sum is σ = 40081176. Its totient is φ = 39667584.

The previous prime is 39874363. The next prime is 39874399. The reversal of 39874379 is 97347893.

39874379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97347893 = 859 ⋅113327.

It is a cyclic number.

It is not a de Polignac number, because 39874379 - 2⁴ = 39874363 is a prime.

It is a super-2 number, since 2×39874379² = 3179932201271282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39874309) 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 3 ways as a sum of consecutive naturals, for example, 103109 + ... + 103494.

It is an arithmetic number, because the mean of its divisors is an integer number (10020294).

Almost surely, 2^39874379 is an apocalyptic number.

39874379 is a deficient number, since it is larger than the sum of its proper divisors (206797).

39874379 is a wasteful number, since it uses less digits than its factorization.

39874379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206796.

The product of its digits is 1143072, while the sum is 50.

The square root of 39874379 is about 6314.6162987152. The cubic root of 39874379 is about 341.6367990812.

The spelling of 39874379 in words is "thirty-nine million, eight hundred seventy-four thousand, three hundred seventy-nine".