2045912 has 32 divisors (see below), whose sum is σ = 4259520. Its totient is φ = 913440.

The previous prime is 2045909. The next prime is 2045929. The reversal of 2045912 is 2195402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5723 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (133110).

2^2045912 is an apocalyptic number.

2045912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129760).

2045912 is an abundant number, since it is smaller than the sum of its proper divisors (2213608).

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

2045912 is a wasteful number, since it uses less digits than its factorization.

2045912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2045912 is about 1430.3538023860. The cubic root of 2045912 is about 126.9489120162.

It can be divided in two parts, 204 and 5912, that added together give a palindrome (6116).

The spelling of 2045912 in words is "two million, forty-five thousand, nine hundred twelve".