1025886 has 16 divisors (see below), whose sum is σ = 2160000. Its totient is φ = 323928.

The previous prime is 1025873. The next prime is 1025887. The reversal of 1025886 is 6885201.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025887) 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, 4386 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2^1025886 is an apocalyptic number.

1025886 is an abundant number, since it is smaller than the sum of its proper divisors (1134114).

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

1025886 is a wasteful number, since it uses less digits than its factorization.

1025886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1025886 is about 1012.8603062614. The cubic root of 1025886 is about 100.8555265374.

The spelling of 1025886 in words is "one million, twenty-five thousand, eight hundred eighty-six".