1046866 has 4 divisors (see below), whose sum is σ = 1570302. Its totient is φ = 523432.

The previous prime is 1046863. The next prime is 1046867. The reversal of 1046866 is 6686401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6686401 = 233 ⋅28697.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 16641 = 1015^2 + 129^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1046863) 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 as a sum of consecutive naturals, namely, 261715 + ... + 261718.

2^1046866 is an apocalyptic number.

1046866 is a deficient number, since it is larger than the sum of its proper divisors (523436).

1046866 is an equidigital number, since it uses as much as digits as its factorization.

1046866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523435.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1046866 is about 1023.1646983746. The cubic root of 1046866 is about 101.5384115337.

The spelling of 1046866 in words is "one million, forty-six thousand, eight hundred sixty-six".