39970366 has 32 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 17736576.

The previous prime is 39970361. The next prime is 39970369. The reversal of 39970366 is 66307993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970361) 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, 61455 + ... + 62101.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^39970366 is an apocalyptic number.

39970366 is a deficient number, since it is larger than the sum of its proper divisors (27214274).

39970366 is a wasteful number, since it uses less digits than its factorization.

39970366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 39970366 is about 6322.2121128605. The cubic root of 39970366 is about 341.9107127584.

The spelling of 39970366 in words is "thirty-nine million, nine hundred seventy thousand, three hundred sixty-six".