39964461 has 8 divisors (see below), whose sum is σ = 53332224. Its totient is φ = 26619840.

The previous prime is 39964447. The next prime is 39964469. The reversal of 39964461 is 16446993.

39964461 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39964461 - 2¹⁰ = 39963437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39964469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 9026.

It is an arithmetic number, because the mean of its divisors is an integer number (6666528).

Almost surely, 2^39964461 is an apocalyptic number.

It is an amenable number.

39964461 is a deficient number, since it is larger than the sum of its proper divisors (13367763).

39964461 is a wasteful number, since it uses less digits than its factorization.

39964461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571.

The product of its digits is 139968, while the sum is 42.

The square root of 39964461 is about 6321.7450913494. The cubic root of 39964461 is about 341.8938745989.

The spelling of 39964461 in words is "thirty-nine million, nine hundred sixty-four thousand, four hundred sixty-one".