3666312 has 48 divisors (see below), whose sum is σ = 10696140. Its totient is φ = 1127808.

The previous prime is 3666301. The next prime is 3666317. The reversal of 3666312 is 2136663.

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 2916 = 1914^2 + 54^2 .

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3666317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023 + ... + 2894.

Almost surely, 2^3666312 is an apocalyptic number.

It is an amenable number.

3666312 is an abundant number, since it is smaller than the sum of its proper divisors (7029828).

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

3666312 is a wasteful number, since it uses less digits than its factorization.

3666312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3935 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3666312 is about 1914.7616039601. The cubic root of 3666312 is about 154.1971949608.

The spelling of 3666312 in words is "three million, six hundred sixty-six thousand, three hundred twelve".