2788613 has 4 divisors (see below), whose sum is σ = 2791968. Its totient is φ = 2785260.

The previous prime is 2788603. The next prime is 2788619. The reversal of 2788613 is 3168872.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2788613 - 2⁶ = 2788549 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 (2788619) 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, 608 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (697992).

2^2788613 is an apocalyptic number.

It is an amenable number.

2788613 is a deficient number, since it is larger than the sum of its proper divisors (3355).

2788613 is a wasteful number, since it uses less digits than its factorization.

2788613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354.

The product of its digits is 16128, while the sum is 35.

The square root of 2788613 is about 1669.9140696455. The cubic root of 2788613 is about 140.7546493547.

The spelling of 2788613 in words is "two million, seven hundred eighty-eight thousand, six hundred thirteen".