38985859 has 4 divisors (see below), whose sum is σ = 42530040. Its totient is φ = 35441680.

The previous prime is 38985857. The next prime is 38985871. The reversal of 38985859 is 95858983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38985859 - 2¹ = 38985857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38985857) 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, 1772074 + ... + 1772095.

It is an arithmetic number, because the mean of its divisors is an integer number (10632510).

Almost surely, 2^38985859 is an apocalyptic number.

38985859 is a deficient number, since it is larger than the sum of its proper divisors (3544181).

38985859 is a wasteful number, since it uses less digits than its factorization.

38985859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544180.

The product of its digits is 3110400, while the sum is 55.

The square root of 38985859 is about 6243.8657096385. The cubic root of 38985859 is about 339.0801520636.

The spelling of 38985859 in words is "thirty-eight million, nine hundred eighty-five thousand, eight hundred fifty-nine".