4093661 has 8 divisors (see below), whose sum is σ = 4809504. Its totient is φ = 3435120.

The previous prime is 4093637. The next prime is 4093679. The reversal of 4093661 is 1663904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4093661 - 2¹⁰ = 4092637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4093601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (601188).

Almost surely, 2^4093661 is an apocalyptic number.

It is an amenable number.

4093661 is a deficient number, since it is larger than the sum of its proper divisors (715843).

4093661 is a wasteful number, since it uses less digits than its factorization.

4093661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28651.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4093661 is about 2023.2797631568. The cubic root of 4093661 is about 159.9695384718.

The spelling of 4093661 in words is "four million, ninety-three thousand, six hundred sixty-one".