39880885 has 16 divisors (see below), whose sum is σ = 53068032. Its totient is φ = 28526400.

The previous prime is 39880853. The next prime is 39880889. The reversal of 39880885 is 58808893.

It is not a de Polignac number, because 39880885 - 2⁵ = 39880853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39880889) 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, 2589 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (3316752).

Almost surely, 2^39880885 is an apocalyptic number.

It is an amenable number.

39880885 is a deficient number, since it is larger than the sum of its proper divisors (13187147).

39880885 is a wasteful number, since it uses less digits than its factorization.

39880885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 39880885 is about 6315.1314317281. The cubic root of 39880885 is about 341.6553788326.

It can be divided in two parts, 398808 and 85, that added together give a palindrome (398893).

The spelling of 39880885 in words is "thirty-nine million, eight hundred eighty thousand, eight hundred eighty-five".