4093668 has 36 divisors (see below), whose sum is σ = 10958220. Its totient is φ = 1284096.

The previous prime is 4093637. The next prime is 4093679. The reversal of 4093668 is 8663904.

It can be written as a sum of positive squares in 2 ways, for example, as 3305124 + 788544 = 1818^2 + 888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2733 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (304395).

Almost surely, 2^4093668 is an apocalyptic number.

It is an amenable number.

4093668 is an abundant number, since it is smaller than the sum of its proper divisors (6864552).

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

4093668 is a wasteful number, since it uses less digits than its factorization.

4093668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6711 counting only the distinct ones).

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

The square root of 4093668 is about 2023.2814930207. The cubic root of 4093668 is about 159.9696296523.

It can be divided in two parts, 4093 and 668, that added together give a square (4761 = 69²).

The spelling of 4093668 in words is "four million, ninety-three thousand, six hundred sixty-eight".