39120789 has 8 divisors (see below), whose sum is σ = 52493920. Its totient is φ = 25914096.

The previous prime is 39120749. The next prime is 39120793. The reversal of 39120789 is 98702193.

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

It is not a de Polignac number, because 39120789 - 2²⁵ = 5566357 is a prime.

It is a super-2 number, since 2×39120789² = 3060872263965042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39120709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41059 + ... + 42000.

It is an arithmetic number, because the mean of its divisors is an integer number (6561740).

Almost surely, 2^39120789 is an apocalyptic number.

It is an amenable number.

39120789 is a deficient number, since it is larger than the sum of its proper divisors (13373131).

39120789 is a wasteful number, since it uses less digits than its factorization.

39120789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83219.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 39120789 is about 6254.6613817216. The cubic root of 39120789 is about 339.4708869328.

The spelling of 39120789 in words is "thirty-nine million, one hundred twenty thousand, seven hundred eighty-nine".