4291686 has 24 divisors (see below), whose sum is σ = 10627344. Its totient is φ = 1226160.

The previous prime is 4291673. The next prime is 4291697. The reversal of 4291686 is 6861924.

It is a self number, because there is not a number n which added to its sum of digits gives 4291686.

It is a congruent number.

It is an unprimeable number.

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, 16905 + ... + 17156.

It is an arithmetic number, because the mean of its divisors is an integer number (442806).

Almost surely, 2^4291686 is an apocalyptic number.

4291686 is an abundant number, since it is smaller than the sum of its proper divisors (6335658).

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

4291686 is a wasteful number, since it uses less digits than its factorization.

4291686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34076 (or 34073 counting only the distinct ones).

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

The square root of 4291686 is about 2071.6384819751. The cubic root of 4291686 is about 162.5084618868.

The spelling of 4291686 in words is "four million, two hundred ninety-one thousand, six hundred eighty-six".