1045866 has 8 divisors (see below), whose sum is σ = 2091744. Its totient is φ = 348620.

The previous prime is 1045859. The next prime is 1045903. The reversal of 1045866 is 6685401.

It is a sphenic number, since it is the product of 3 distinct primes.

1045866 is an admirable number.

It is an Ulam number.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87150 + ... + 87161.

It is an arithmetic number, because the mean of its divisors is an integer number (261468).

2^1045866 is an apocalyptic number.

1045866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1045866 is a wasteful number, since it uses less digits than its factorization.

1045866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174316.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1045866 is about 1022.6759017401. The cubic root of 1045866 is about 101.5060703173.

The spelling of 1045866 in words is "one million, forty-five thousand, eight hundred sixty-six".