1040864 has 24 divisors (see below), whose sum is σ = 2236248. Its totient is φ = 472960.

The previous prime is 1040861. The next prime is 1040873. The reversal of 1040864 is 4680401.

It is a happy number.

It is a zygodrome in base 2.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127 + ... + 1830.

It is an arithmetic number, because the mean of its divisors is an integer number (93177).

2^1040864 is an apocalyptic number.

It is an amenable number.

1040864 is an abundant number, since it is smaller than the sum of its proper divisors (1195384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040864 is a wasteful number, since it uses less digits than its factorization.

1040864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1040864 is about 1020.2274256263. The cubic root of 1040864 is about 101.3439893380.

The spelling of 1040864 in words is "one million, forty thousand, eight hundred sixty-four".