2616789 has 12 divisors (see below), whose sum is σ = 3998816. Its totient is φ = 1491072.

The previous prime is 2616787. The next prime is 2616791. The reversal of 2616789 is 9876162.

It is an interprime number because it is at equal distance from previous prime (2616787) and next prime (2616791).

It is not a de Polignac number, because 2616789 - 2¹ = 2616787 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7237 + ... + 7589.

2^2616789 is an apocalyptic number.

It is an amenable number.

2616789 is a deficient number, since it is larger than the sum of its proper divisors (1382027).

2616789 is an frugal number, since it uses more digits than its factorization.

2616789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 363 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 2616789 is about 1617.6492203194. The cubic root of 2616789 is about 137.8022266754.

The spelling of 2616789 in words is "two million, six hundred sixteen thousand, seven hundred eighty-nine".