1040856 has 32 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 335520.

The previous prime is 1040833. The next prime is 1040857. The reversal of 1040856 is 6580401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1040856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344000).

1040856 is an abundant number, since it is smaller than the sum of its proper divisors (1647144).

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

1040856 is a wasteful number, since it uses less digits than its factorization.

1040856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1435 counting only the distinct ones).

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

The square root of 1040856 is about 1020.2235049243. The cubic root of 1040856 is about 101.3437296967.

The spelling of 1040856 in words is "one million, forty thousand, eight hundred fifty-six".