4291866 has 24 divisors (see below), whose sum is σ = 9644544. Its totient is φ = 1430460.

The previous prime is 4291843. The next prime is 4291867. The reversal of 4291866 is 6681924.

It is a super-2 number, since 2×4291866² = 36840227523912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4291866.

It is not an unprimeable number, because it can be changed into a prime (4291867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3930 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (401856).

Almost surely, 2^4291866 is an apocalyptic number.

4291866 is an abundant number, since it is smaller than the sum of its proper divisors (5352678).

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

4291866 is an equidigital number, since it uses as much as digits as its factorization.

4291866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8848 (or 8836 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4291866 is about 2071.6819253930. The cubic root of 4291866 is about 162.5107338077.

The spelling of 4291866 in words is "four million, two hundred ninety-one thousand, eight hundred sixty-six".