2921116 has 24 divisors (see below), whose sum is σ = 5621616. Its totient is φ = 1317120.

The previous prime is 2921111. The next prime is 2921129. The reversal of 2921116 is 6111292.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921111) 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, 8500 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (234234).

2^2921116 is an apocalyptic number.

It is an amenable number.

2921116 is a deficient number, since it is larger than the sum of its proper divisors (2700500).

2921116 is a wasteful number, since it uses less digits than its factorization.

2921116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its digits is 216, while the sum is 22.

The square root of 2921116 is about 1709.1272626695. The cubic root of 2921116 is about 142.9495967245.

The spelling of 2921116 in words is "two million, nine hundred twenty-one thousand, one hundred sixteen".