16038859 has 4 divisors (see below), whose sum is σ = 16080480. Its totient is φ = 15997240.

The previous prime is 16038857. The next prime is 16038877. The reversal of 16038859 is 95883061.

It is a happy number.

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 16038859 - 2¹ = 16038857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16038857) 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, 20227 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (4020120).

Almost surely, 2^16038859 is an apocalyptic number.

16038859 is a deficient number, since it is larger than the sum of its proper divisors (41621).

16038859 is an equidigital number, since it uses as much as digits as its factorization.

16038859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41620.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 16038859 is about 4004.8544293145. The cubic root of 16038859 is about 252.1880420201.

The spelling of 16038859 in words is "sixteen million, thirty-eight thousand, eight hundred fifty-nine".