2818859 has 4 divisors (see below), whose sum is σ = 2967240. Its totient is φ = 2670480.

The previous prime is 2818853. The next prime is 2818867. The reversal of 2818859 is 9588182.

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 2818859 - 2¹⁶ = 2753323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2818853) 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, 74162 + ... + 74199.

It is an arithmetic number, because the mean of its divisors is an integer number (741810).

2^2818859 is an apocalyptic number.

2818859 is a deficient number, since it is larger than the sum of its proper divisors (148381).

2818859 is a wasteful number, since it uses less digits than its factorization.

2818859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148380.

The product of its digits is 46080, while the sum is 41.

The square root of 2818859 is about 1678.9458001973. The cubic root of 2818859 is about 141.2617073336.

The spelling of 2818859 in words is "two million, eight hundred eighteen thousand, eight hundred fifty-nine".