2045828 has 6 divisors (see below), whose sum is σ = 3580206. Its totient is φ = 1022912.

The previous prime is 2045819. The next prime is 2045833. The reversal of 2045828 is 8285402.

It can be written as a sum of positive squares in only one way, i.e., 1658944 + 386884 = 1288^2 + 622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2045828.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255725 + ... + 255732.

It is an arithmetic number, because the mean of its divisors is an integer number (596701).

2^2045828 is an apocalyptic number.

It is an amenable number.

2045828 is a deficient number, since it is larger than the sum of its proper divisors (1534378).

2045828 is a wasteful number, since it uses less digits than its factorization.

2045828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511461 (or 511459 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2045828 is about 1430.3244387201. The cubic root of 2045828 is about 126.9471745915.

The spelling of 2045828 in words is "two million, forty-five thousand, eight hundred twenty-eight".