39089889 has 6 divisors (see below), whose sum is σ = 56463186. Its totient is φ = 26059920.

The previous prime is 39089879. The next prime is 39089891. The reversal of 39089889 is 98898093.

39089889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 1782225 = 6108^2 + 1335^2 .

It is not a de Polignac number, because 39089889 - 2⁷ = 39089761 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (39089879) 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 5 ways as a sum of consecutive naturals, for example, 2171652 + ... + 2171669.

It is an arithmetic number, because the mean of its divisors is an integer number (9410531).

Almost surely, 2^39089889 is an apocalyptic number.

It is an amenable number.

39089889 is a deficient number, since it is larger than the sum of its proper divisors (17373297).

39089889 is a wasteful number, since it uses less digits than its factorization.

39089889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343327 (or 4343324 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 39089889 is about 6252.1907360540. The cubic root of 39089889 is about 339.3814850770.

The spelling of 39089889 in words is "thirty-nine million, eighty-nine thousand, eight hundred eighty-nine".