1048866 has 64 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 258048.

The previous prime is 1048847. The next prime is 1048867. The reversal of 1048866 is 6688401.

It is a super-2 number, since 2×1048866² = 2200239771912, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1048867) 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, 9226 + ... + 9338.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2^1048866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1048866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944).

1048866 is an abundant number, since it is smaller than the sum of its proper divisors (1709022).

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

1048866 is a wasteful number, since it uses less digits than its factorization.

1048866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1048866 is about 1024.1415917733. The cubic root of 1048866 is about 101.6030322322.

The spelling of 1048866 in words is "one million, forty-eight thousand, eight hundred sixty-six".