2609916 has 24 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 824112.

The previous prime is 2609911. The next prime is 2609947. The reversal of 2609916 is 6199062.

It is a happy number.

It is a super-3 number, since 3×2609916³ = 53333593218143661888, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496 + ... + 5951.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

2^2609916 is an apocalyptic number.

It is an amenable number.

2609916 is an abundant number, since it is smaller than the sum of its proper divisors (3800964).

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

2609916 is a wasteful number, since it uses less digits than its factorization.

2609916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473 (or 11471 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2609916 is about 1615.5234445838. The cubic root of 2609916 is about 137.6814749812.

The spelling of 2609916 in words is "two million, six hundred nine thousand, nine hundred sixteen".