39846961 has 16 divisors (see below), whose sum is σ = 49915008. Its totient is φ = 30902400.

The previous prime is 39846959. The next prime is 39846967. The reversal of 39846961 is 16964893.

It is a cyclic number.

It is not a de Polignac number, because 39846961 - 2¹ = 39846959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39846967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16831 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (3119688).

Almost surely, 2^39846961 is an apocalyptic number.

It is an amenable number.

39846961 is a deficient number, since it is larger than the sum of its proper divisors (10068047).

39846961 is a wasteful number, since it uses less digits than its factorization.

39846961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its digits is 279936, while the sum is 46.

The square root of 39846961 is about 6312.4449304529. Note that the first 3 decimals coincide. The cubic root of 39846961 is about 341.5584768958.

The spelling of 39846961 in words is "thirty-nine million, eight hundred forty-six thousand, nine hundred sixty-one".