39965373 has 16 divisors (see below), whose sum is σ = 67666560. Its totient is φ = 22837248.

The previous prime is 39965363. The next prime is 39965377. The reversal of 39965373 is 37356993.

It is not a de Polignac number, because 39965373 - 2⁴ = 39965357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39965377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105540 + ... + 105917.

It is an arithmetic number, because the mean of its divisors is an integer number (4229160).

Almost surely, 2^39965373 is an apocalyptic number.

It is an amenable number.

39965373 is a deficient number, since it is larger than the sum of its proper divisors (27701187).

39965373 is a wasteful number, since it uses less digits than its factorization.

39965373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211473 (or 211467 counting only the distinct ones).

The product of its digits is 459270, while the sum is 45.

The square root of 39965373 is about 6321.8172229194. The cubic root of 39965373 is about 341.8964752833.

The spelling of 39965373 in words is "thirty-nine million, nine hundred sixty-five thousand, three hundred seventy-three".