2860813 has 4 divisors (see below), whose sum is σ = 2878528. Its totient is φ = 2843100.

The previous prime is 2860807. The next prime is 2860817. The reversal of 2860813 is 3180682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2860813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2860817) 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, 8613 + ... + 8938.

It is an arithmetic number, because the mean of its divisors is an integer number (719632).

2^2860813 is an apocalyptic number.

It is an amenable number.

2860813 is a deficient number, since it is larger than the sum of its proper divisors (17715).

2860813 is a wasteful number, since it uses less digits than its factorization.

2860813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17714.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2860813 is about 1691.3938039380. The cubic root of 2860813 is about 141.9590737045.

The spelling of 2860813 in words is "two million, eight hundred sixty thousand, eight hundred thirteen".