2045916 has 36 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 641664.

The previous prime is 2045909. The next prime is 2045929. The reversal of 2045916 is 6195402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2045916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (152152).

2^2045916 is an apocalyptic number.

It is an amenable number.

2045916 is an abundant number, since it is smaller than the sum of its proper divisors (3431556).

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

2045916 is a wasteful number, since it uses less digits than its factorization.

2045916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3365 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2045916 is about 1430.3552006407. The cubic root of 2045916 is about 126.9489947496.

The spelling of 2045916 in words is "two million, forty-five thousand, nine hundred sixteen".