2909116 has 24 divisors (see below), whose sum is σ = 5878656. Its totient is φ = 1233840.

The previous prime is 2909107. The next prime is 2909119. The reversal of 2909116 is 6119092.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909119) 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, 2511 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

2^2909116 is an apocalyptic number.

It is an amenable number.

2909116 is an abundant number, since it is smaller than the sum of its proper divisors (2969540).

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

2909116 is a wasteful number, since it uses less digits than its factorization.

2909116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2909116 is about 1705.6130862537. The cubic root of 2909116 is about 142.7535815149.

It can be divided in two parts, 2909 and 116, that added together give a square (3025 = 55²).

The spelling of 2909116 in words is "two million, nine hundred nine thousand, one hundred sixteen".