2045776 has 20 divisors (see below), whose sum is σ = 4101300. Its totient is φ = 987392.

The previous prime is 2045773. The next prime is 2045789. The reversal of 2045776 is 6775402.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 1498176 = 740^2 + 1224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^2045776 is an apocalyptic number.

It is an amenable number.

2045776 is an abundant number, since it is smaller than the sum of its proper divisors (2055524).

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

2045776 is a wasteful number, since it uses less digits than its factorization.

2045776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4440 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2045776 is about 1430.3062609106. The cubic root of 2045776 is about 126.9460990190.

It can be divided in two parts, 20 and 45776, that added together give a square (45796 = 214²).

The spelling of 2045776 in words is "two million, forty-five thousand, seven hundred seventy-six".