2609616 has 20 divisors (see below), whose sum is σ = 6741632. Its totient is φ = 869856.

The previous prime is 2609599. The next prime is 2609639. The reversal of 2609616 is 6169062.

2609616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27136 + ... + 27231.

2^2609616 is an apocalyptic number.

It is an amenable number.

2609616 is an abundant number, since it is smaller than the sum of its proper divisors (4132016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609616 is a wasteful number, since it uses less digits than its factorization.

2609616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54378 (or 54372 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2609616 is about 1615.4305927523. The cubic root of 2609616 is about 137.6761994570.

The spelling of 2609616 in words is "two million, six hundred nine thousand, six hundred sixteen".