39354985 has 16 divisors (see below), whose sum is σ = 49896000. Its totient is φ = 29716416.

The previous prime is 39354971. The next prime is 39354989. The reversal of 39354985 is 58945393.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39354985 - 2¹³ = 39346793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39354989) 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, 32562 + ... + 33748.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 2^39354985 is an apocalyptic number.

It is an amenable number.

39354985 is a deficient number, since it is larger than the sum of its proper divisors (10541015).

39354985 is a wasteful number, since it uses less digits than its factorization.

39354985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 583200, while the sum is 46.

The square root of 39354985 is about 6273.3551629092. The cubic root of 39354985 is about 340.1469520474.

The spelling of 39354985 in words is "thirty-nine million, three hundred fifty-four thousand, nine hundred eighty-five".