39969141 has 16 divisors (see below), whose sum is σ = 56683200. Its totient is φ = 24979968.

The previous prime is 39969119. The next prime is 39969143. The reversal of 39969141 is 14196993.

39969141 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 39969141 - 2⁵ = 39969109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39969093 and 39969102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39969143) 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, 1915 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (3542700).

Almost surely, 2^39969141 is an apocalyptic number.

It is an amenable number.

39969141 is a deficient number, since it is larger than the sum of its proper divisors (16714059).

39969141 is a wasteful number, since it uses less digits than its factorization.

39969141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348.

The product of its digits is 52488, while the sum is 42.

The square root of 39969141 is about 6322.1152314712. The cubic root of 39969141 is about 341.9072197965.

The spelling of 39969141 in words is "thirty-nine million, nine hundred sixty-nine thousand, one hundred forty-one".