33324981 has 8 divisors (see below), whose sum is σ = 47047104. Its totient is φ = 20909760.

The previous prime is 33324899. The next prime is 33325007. The reversal of 33324981 is 18942333.

It is a happy number.

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

It is not a de Polignac number, because 33324981 - 2⁷ = 33324853 is a prime.

It is a super-2 number, since 2×33324981² = 2221108717300722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326665 + ... + 326766.

It is an arithmetic number, because the mean of its divisors is an integer number (5880888).

Almost surely, 2^33324981 is an apocalyptic number.

It is an amenable number.

33324981 is a deficient number, since it is larger than the sum of its proper divisors (13722123).

33324981 is a wasteful number, since it uses less digits than its factorization.

33324981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653451.

The product of its digits is 15552, while the sum is 33.

The square root of 33324981 is about 5772.7793132944. The cubic root of 33324981 is about 321.8029123259.

The spelling of 33324981 in words is "thirty-three million, three hundred twenty-four thousand, nine hundred eighty-one".