1045816 has 16 divisors (see below), whose sum is σ = 2024640. Its totient is φ = 505920.

The previous prime is 1045801. The next prime is 1045819. The reversal of 1045816 is 6185401.

It is a super-2 number, since 2×1045816² = 2187462211712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045819) 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 3 ways as a sum of consecutive naturals, for example, 1861 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (126540).

2^1045816 is an apocalyptic number.

It is an amenable number.

1045816 is a deficient number, since it is larger than the sum of its proper divisors (978824).

1045816 is a wasteful number, since it uses less digits than its factorization.

1045816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1045816 is about 1022.6514557756. The cubic root of 1045816 is about 101.5044527154.

The spelling of 1045816 in words is "one million, forty-five thousand, eight hundred sixteen".