2816993 has 4 divisors (see below), whose sum is σ = 2827968. Its totient is φ = 2806020.

The previous prime is 2816981. The next prime is 2817007. The reversal of 2816993 is 3996182.

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 not a de Polignac number, because 2816993 - 2¹² = 2812897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2816953) 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, 5093 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (706992).

2^2816993 is an apocalyptic number.

It is an amenable number.

2816993 is a deficient number, since it is larger than the sum of its proper divisors (10975).

2816993 is a wasteful number, since it uses less digits than its factorization.

2816993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974.

The product of its digits is 23328, while the sum is 38.

The square root of 2816993 is about 1678.3900023534. The cubic root of 2816993 is about 141.2305301172.

The spelling of 2816993 in words is "two million, eight hundred sixteen thousand, nine hundred ninety-three".