32993966 has 8 divisors (see below), whose sum is σ = 49929264. Its totient is φ = 16350880.

The previous prime is 32993963. The next prime is 32993981. The reversal of 32993966 is 66939923.

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

It is a self number, because there is not a number n which added to its sum of digits gives 32993966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32993963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72770 + ... + 73221.

It is an arithmetic number, because the mean of its divisors is an integer number (6241158).

Almost surely, 2^32993966 is an apocalyptic number.

32993966 is a deficient number, since it is larger than the sum of its proper divisors (16935298).

32993966 is a wasteful number, since it uses less digits than its factorization.

32993966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146106.

The product of its digits is 472392, while the sum is 47.

The square root of 32993966 is about 5744.0374302402. The cubic root of 32993966 is about 320.7338820482.

It can be divided in two parts, 3 and 2993966, that multiplied together give a palindrome (8981898).

The spelling of 32993966 in words is "thirty-two million, nine hundred ninety-three thousand, nine hundred sixty-six".