2813885 has 8 divisors (see below), whose sum is σ = 3399936. Its totient is φ = 2235600.

The previous prime is 2813879. The next prime is 2813897. The reversal of 2813885 is 5883182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2813885 - 2⁶ = 2813821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (424992).

2^2813885 is an apocalyptic number.

It is an amenable number.

2813885 is a deficient number, since it is larger than the sum of its proper divisors (586051).

2813885 is a wasteful number, since it uses less digits than its factorization.

2813885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883.

The product of its digits is 15360, while the sum is 35.

The square root of 2813885 is about 1677.4638595213. The cubic root of 2813885 is about 141.1785709280.

The spelling of 2813885 in words is "two million, eight hundred thirteen thousand, eight hundred eighty-five".