39122189 has 8 divisors (see below), whose sum is σ = 41333760. Its totient is φ = 36968176.

The previous prime is 39122179. The next prime is 39122191. The reversal of 39122189 is 98122193.

39122189 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 a cyclic number.

It is not a de Polignac number, because 39122189 - 2⁸ = 39121933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39122129) 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, 12989 + ... + 15714.

It is an arithmetic number, because the mean of its divisors is an integer number (5166720).

Almost surely, 2^39122189 is an apocalyptic number.

It is an amenable number.

39122189 is a deficient number, since it is larger than the sum of its proper divisors (2211571).

39122189 is a wasteful number, since it uses less digits than its factorization.

39122189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779.

The product of its digits is 7776, while the sum is 35.

The square root of 39122189 is about 6254.7732972507. The cubic root of 39122189 is about 339.4749363873.

The spelling of 39122189 in words is "thirty-nine million, one hundred twenty-two thousand, one hundred eighty-nine".