1040865 has 32 divisors (see below), whose sum is σ = 1990656. Its totient is φ = 454080.

The previous prime is 1040861. The next prime is 1040873. The reversal of 1040865 is 5680401.

It is not a de Polignac number, because 1040865 - 2² = 1040861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2200 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (62208).

2^1040865 is an apocalyptic number.

1040865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040865 is a deficient number, since it is larger than the sum of its proper divisors (949791).

1040865 is a wasteful number, since it uses less digits than its factorization.

1040865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1040865 is about 1020.2279157130. The cubic root of 1040865 is about 101.3440217931.

The spelling of 1040865 in words is "one million, forty thousand, eight hundred sixty-five".