2045910 has 32 divisors (see below), whose sum is σ = 5018112. Its totient is φ = 533600.

The previous prime is 2045909. The next prime is 2045929. The reversal of 2045910 is 195402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (156816).

2^2045910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509056).

2045910 is an abundant number, since it is smaller than the sum of its proper divisors (2972202).

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

2045910 is a wasteful number, since it uses less digits than its factorization.

2045910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2045910 is about 1430.3531032581. The cubic root of 2045910 is about 126.9488706495.

The spelling of 2045910 in words is "two million, forty-five thousand, nine hundred ten".