38230989 has 4 divisors (see below), whose sum is σ = 50974656. Its totient is φ = 25487324.

The previous prime is 38230981. The next prime is 38231009. The reversal of 38230989 is 98903283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38230989 - 2³ = 38230981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38230989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38230981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371829 + ... + 6371834.

It is an arithmetic number, because the mean of its divisors is an integer number (12743664).

Almost surely, 2^38230989 is an apocalyptic number.

It is an amenable number.

38230989 is a deficient number, since it is larger than the sum of its proper divisors (12743667).

38230989 is a wasteful number, since it uses less digits than its factorization.

38230989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743666.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 38230989 is about 6183.1212991498. The cubic root of 38230989 is about 336.8773749866.

The spelling of 38230989 in words is "thirty-eight million, two hundred thirty thousand, nine hundred eighty-nine".