2045650 has 24 divisors (see below), whose sum is σ = 3843504. Its totient is φ = 810000.

The previous prime is 2045647. The next prime is 2045651. The reversal of 2045650 is 565402.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2045651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8025 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (160146).

2^2045650 is an apocalyptic number.

2045650 is a deficient number, since it is larger than the sum of its proper divisors (1797854).

2045650 is a wasteful number, since it uses less digits than its factorization.

2045650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2045650 is about 1430.2622137217. The cubic root of 2045650 is about 126.9434927485.

The spelling of 2045650 in words is "two million, forty-five thousand, six hundred fifty".