39004965 has 12 divisors (see below), whose sum is σ = 67608684. Its totient is φ = 20802624.

The previous prime is 39004951. The next prime is 39004969. The reversal of 39004965 is 56940093.

It can be written as a sum of positive squares in 2 ways, for example, as 31069476 + 7935489 = 5574^2 + 2817^2 .

It is not a de Polignac number, because 39004965 - 2¹² = 39000869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39004969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433344 + ... + 433433.

It is an arithmetic number, because the mean of its divisors is an integer number (5634057).

Almost surely, 2^39004965 is an apocalyptic number.

It is an amenable number.

39004965 is a deficient number, since it is larger than the sum of its proper divisors (28603719).

39004965 is a wasteful number, since it uses less digits than its factorization.

39004965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866788 (or 866785 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 39004965 is about 6245.3955038892. The cubic root of 39004965 is about 339.1355346009.

The spelling of 39004965 in words is "thirty-nine million, four thousand, nine hundred sixty-five".