39411961 has 4 divisors (see below), whose sum is σ = 39446352. Its totient is φ = 39377572.

The previous prime is 39411929. The next prime is 39411971. The reversal of 39411961 is 16911493.

It is a happy number.

39411961 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39411961 - 2⁵ = 39411929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39411901) 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, 15415 + ... + 17788.

It is an arithmetic number, because the mean of its divisors is an integer number (9861588).

Almost surely, 2^39411961 is an apocalyptic number.

It is an amenable number.

39411961 is a deficient number, since it is larger than the sum of its proper divisors (34391).

39411961 is a wasteful number, since it uses less digits than its factorization.

39411961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34390.

The product of its digits is 5832, while the sum is 34.

The square root of 39411961 is about 6277.8946311642. The cubic root of 39411961 is about 340.3110216285.

The spelling of 39411961 in words is "thirty-nine million, four hundred eleven thousand, nine hundred sixty-one".