3666633 has 8 divisors (see below), whose sum is σ = 4898208. Its totient is φ = 2439744.

The previous prime is 3666629. The next prime is 3666647. The reversal of 3666633 is 3366663.

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

It is not a de Polignac number, because 3666633 - 2² = 3666629 is a prime.

It is a d-powerful number, because it can be written as 3 + 6⁵ + 6⁷ + 6⁸ + 6⁸ + 3 + 3⁹ .

3666633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3666594 and 3666603.

It is not an unprimeable number, because it can be changed into a prime (3666613) 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, 1585 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (612276).

Almost surely, 2^3666633 is an apocalyptic number.

It is an amenable number.

3666633 is a deficient number, since it is larger than the sum of its proper divisors (1231575).

3666633 is a wasteful number, since it uses less digits than its factorization.

3666633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343.

The product of its digits is 34992, while the sum is 33.

The square root of 3666633 is about 1914.8454245709. The cubic root of 3666633 is about 154.2016950192.

The spelling of 3666633 in words is "three million, six hundred sixty-six thousand, six hundred thirty-three".