4309686 has 40 divisors (see below), whose sum is σ = 9931680. Its totient is φ = 1395792.

The previous prime is 4309673. The next prime is 4309693. The reversal of 4309686 is 6869034.

It is a super-4 number, since 4×4309686⁴ (a number of 28 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4309686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5635 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

Almost surely, 2^4309686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4309686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4965840).

4309686 is an abundant number, since it is smaller than the sum of its proper divisors (5621994).

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

4309686 is a wasteful number, since it uses less digits than its factorization.

4309686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4309686 is about 2075.9783235863. The cubic root of 4309686 is about 162.7353402668.

The spelling of 4309686 in words is "four million, three hundred nine thousand, six hundred eighty-six".