3666594 has 32 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 1135872.

The previous prime is 3666583. The next prime is 3666599. The reversal of 3666594 is 4956663.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3666599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10332 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^3666594 is an apocalyptic number.

3666594 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3666594 is an abundant number, since it is smaller than the sum of its proper divisors (4195806).

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

3666594 is a wasteful number, since it uses less digits than its factorization.

3666594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 116640, while the sum is 39.

The square root of 3666594 is about 1914.8352409542. The cubic root of 3666594 is about 154.2011482972.

It can be divided in two parts, 366659 and 4, that added together give a palindrome (366663).

The spelling of 3666594 in words is "three million, six hundred sixty-six thousand, five hundred ninety-four".