39880985 has 8 divisors (see below), whose sum is σ = 48223296. Its totient is φ = 31660720.

The previous prime is 39880969. The next prime is 39881027. The reversal of 39880985 is 58908893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39880985 - 2⁴ = 39880969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29789 + ... + 31098.

It is an arithmetic number, because the mean of its divisors is an integer number (6027912).

Almost surely, 2^39880985 is an apocalyptic number.

It is an amenable number.

39880985 is a deficient number, since it is larger than the sum of its proper divisors (8342311).

39880985 is a wasteful number, since it uses less digits than its factorization.

39880985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61023.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 39880985 is about 6315.1393492147. The cubic root of 39880985 is about 341.6556643955.

The spelling of 39880985 in words is "thirty-nine million, eight hundred eighty thousand, nine hundred eighty-five".