39874155 has 16 divisors (see below), whose sum is σ = 63907584. Its totient is φ = 21229920.

The previous prime is 39874151. The next prime is 39874169. The reversal of 39874155 is 55147893.

39874155 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 39874155 - 2² = 39874151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39874151) 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 15 ways as a sum of consecutive naturals, for example, 8442 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (3994224).

Almost surely, 2^39874155 is an apocalyptic number.

39874155 is a deficient number, since it is larger than the sum of its proper divisors (24033429).

39874155 is a wasteful number, since it uses less digits than its factorization.

39874155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546.

The product of its digits is 151200, while the sum is 42.

The square root of 39874155 is about 6314.5985620624. The cubic root of 39874155 is about 341.6361593489.

The spelling of 39874155 in words is "thirty-nine million, eight hundred seventy-four thousand, one hundred fifty-five".