39208881 has 8 divisors (see below), whose sum is σ = 52371424. Its totient is φ = 26092800.

The previous prime is 39208877. The next prime is 39208889. The reversal of 39208881 is 18880293.

39208881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39208881 - 2² = 39208877 is a prime.

It is a super-2 number, since 2×39208881² = 3074672698544322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39208889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9595 + ... + 13056.

It is an arithmetic number, because the mean of its divisors is an integer number (6546428).

Almost surely, 2^39208881 is an apocalyptic number.

It is an amenable number.

39208881 is a deficient number, since it is larger than the sum of its proper divisors (13162543).

39208881 is a wasteful number, since it uses less digits than its factorization.

39208881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23231.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 39208881 is about 6261.6995296804. The cubic root of 39208881 is about 339.7255022049.

The spelling of 39208881 in words is "thirty-nine million, two hundred eight thousand, eight hundred eighty-one".