4147866 has 48 divisors (see below), whose sum is σ = 9637056. Its totient is φ = 1286208.

The previous prime is 4147837. The next prime is 4147867. The reversal of 4147866 is 6687414.

It is a self number, because there is not a number n which added to its sum of digits gives 4147866.

It is not an unprimeable number, because it can be changed into a prime (4147867) 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 in 23 ways as a sum of consecutive naturals, for example, 17686 + ... + 17918.

It is an arithmetic number, because the mean of its divisors is an integer number (200772).

Almost surely, 2^4147866 is an apocalyptic number.

4147866 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4147866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4818528).

4147866 is an abundant number, since it is smaller than the sum of its proper divisors (5489190).

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

4147866 is a wasteful number, since it uses less digits than its factorization.

4147866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 304 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4147866 is about 2036.6310416961. The cubic root of 4147866 is about 160.6725079133.

The spelling of 4147866 in words is "four million, one hundred forty-seven thousand, eight hundred sixty-six".