2149916 has 12 divisors (see below), whose sum is σ = 3797640. Its totient is φ = 1064880.

The previous prime is 2149909. The next prime is 2149933. The reversal of 2149916 is 6199412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (316470).

2^2149916 is an apocalyptic number.

It is an amenable number.

2149916 is a deficient number, since it is larger than the sum of its proper divisors (1647724).

2149916 is a wasteful number, since it uses less digits than its factorization.

2149916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 2149916 is about 1466.2591858195. The cubic root of 2149916 is about 129.0646071822.

The spelling of 2149916 in words is "two million, one hundred forty-nine thousand, nine hundred sixteen".