39673189 has 8 divisors (see below), whose sum is σ = 43455960. Its totient is φ = 36051456.

The previous prime is 39673181. The next prime is 39673243. The reversal of 39673189 is 98137693.

It can be written as a sum of positive squares in 4 ways, for example, as 13068225 + 26604964 = 3615^2 + 5158^2 .

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 39673189 - 2³ = 39673181 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 (39673181) 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, 39744 + ... + 40729.

It is an arithmetic number, because the mean of its divisors is an integer number (5431995).

Almost surely, 2^39673189 is an apocalyptic number.

It is an amenable number.

39673189 is a deficient number, since it is larger than the sum of its proper divisors (3782771).

39673189 is a wasteful number, since it uses less digits than its factorization.

39673189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80519.

The product of its digits is 244944, while the sum is 46.

The square root of 39673189 is about 6298.6656523426. The cubic root of 39673189 is about 341.0612429168.

The spelling of 39673189 in words is "thirty-nine million, six hundred seventy-three thousand, one hundred eighty-nine".