2985859 has 4 divisors (see below), whose sum is σ = 3007480. Its totient is φ = 2964240.

The previous prime is 2985847. The next prime is 2985881. The reversal of 2985859 is 9585892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2985859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985809) 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, 10602 + ... + 10879.

It is an arithmetic number, because the mean of its divisors is an integer number (751870).

2^2985859 is an apocalyptic number.

2985859 is a deficient number, since it is larger than the sum of its proper divisors (21621).

2985859 is a wasteful number, since it uses less digits than its factorization.

2985859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21620.

The product of its digits is 259200, while the sum is 46.

The square root of 2985859 is about 1727.9638306400. The cubic root of 2985859 is about 143.9979905841.

It can be divided in two parts, 2985 and 859, that added together give a square (3844 = 62²).

The spelling of 2985859 in words is "two million, nine hundred eighty-five thousand, eight hundred fifty-nine".