39089985 has 16 divisors (see below), whose sum is σ = 68230080. Its totient is φ = 18952640.

The previous prime is 39089971. The next prime is 39090013. The reversal of 39089985 is 58998093.

It is not a de Polignac number, because 39089985 - 2⁴ = 39089969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118290 + ... + 118619.

It is an arithmetic number, because the mean of its divisors is an integer number (4264380).

Almost surely, 2^39089985 is an apocalyptic number.

It is an amenable number.

39089985 is a deficient number, since it is larger than the sum of its proper divisors (29140095).

39089985 is a wasteful number, since it uses less digits than its factorization.

39089985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236928.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 39089985 is about 6252.1984133583. The cubic root of 39089985 is about 339.3817629033.

The spelling of 39089985 in words is "thirty-nine million, eighty-nine thousand, nine hundred eighty-five".