39301989 has 8 divisors (see below), whose sum is σ = 54209760. Its totient is φ = 25297776.

The previous prime is 39301987. The next prime is 39302041. The reversal of 39301989 is 98910393.

It is a happy number.

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

It is not a de Polignac number, because 39301989 - 2¹ = 39301987 is a prime.

It is a super-2 number, since 2×39301989² = 3089292678712242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39301989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39301981) 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, 225787 + ... + 225960.

It is an arithmetic number, because the mean of its divisors is an integer number (6776220).

Almost surely, 2^39301989 is an apocalyptic number.

It is an amenable number.

39301989 is a deficient number, since it is larger than the sum of its proper divisors (14907771).

39301989 is a wasteful number, since it uses less digits than its factorization.

39301989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451779.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 39301989 is about 6269.1298439257. The cubic root of 39301989 is about 339.9942011698.

The spelling of 39301989 in words is "thirty-nine million, three hundred one thousand, nine hundred eighty-nine".