4093656 has 72 divisors (see below), whose sum is σ = 12110220. Its totient is φ = 1149792.

The previous prime is 4093637. The next prime is 4093679. The reversal of 4093656 is 6563904.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69355 + ... + 69413.

Almost surely, 2^4093656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4093656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6055110).

4093656 is an abundant number, since it is smaller than the sum of its proper divisors (8016564).

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

4093656 is a wasteful number, since it uses less digits than its factorization.

4093656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 4093656 is about 2023.2785275389. The cubic root of 4093656 is about 159.9694733428.

The spelling of 4093656 in words is "four million, ninety-three thousand, six hundred fifty-six".