1040858 has 48 divisors (see below), whose sum is σ = 2106720. Its totient is φ = 381024.

The previous prime is 1040857. The next prime is 1040861. The reversal of 1040858 is 8580401.

It is a Harshad number since it is a multiple of its sum of digits (26).

1040858 is a modest number, since divided by 858 gives 104 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1040857) 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 23 ways as a sum of consecutive naturals, for example, 24185 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (43890).

2^1040858 is an apocalyptic number.

1040858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1040858 is a wasteful number, since it uses less digits than its factorization.

1040858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1040858 is about 1020.2244851012. The cubic root of 1040858 is about 101.3437946071.

The spelling of 1040858 in words is "one million, forty thousand, eight hundred fifty-eight".