39394965 has 16 divisors (see below), whose sum is σ = 63121536. Its totient is φ = 20980800.

The previous prime is 39394937. The next prime is 39394969. The reversal of 39394965 is 56949393.

It is a happy number.

39394965 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 39394965 - 2¹⁶ = 39329429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39394969) 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, 12720 + ... + 15510.

It is an arithmetic number, because the mean of its divisors is an integer number (3945096).

Almost surely, 2^39394965 is an apocalyptic number.

It is an amenable number.

39394965 is a deficient number, since it is larger than the sum of its proper divisors (23726571).

39394965 is a wasteful number, since it uses less digits than its factorization.

39394965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

The product of its digits is 787320, while the sum is 48.

The square root of 39394965 is about 6276.5408466766. The cubic root of 39394965 is about 340.2620960604.

The spelling of 39394965 in words is "thirty-nine million, three hundred ninety-four thousand, nine hundred sixty-five".