1040845 has 16 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 753984.

The previous prime is 1040833. The next prime is 1040857. The reversal of 1040845 is 5480401.

It is an interprime number because it is at equal distance from previous prime (1040833) and next prime (1040857).

It is a cyclic number.

It is not a de Polignac number, because 1040845 - 2⁵ = 1040813 is a prime.

1040845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4236 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1040845 is an apocalyptic number.

It is an amenable number.

1040845 is a deficient number, since it is larger than the sum of its proper divisors (330035).

1040845 is a wasteful number, since it uses less digits than its factorization.

1040845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1040845 is about 1020.2181139345. The cubic root of 1040845 is about 101.3433726876.

The spelling of 1040845 in words is "one million, forty thousand, eight hundred forty-five".