33093979 has 4 divisors (see below), whose sum is σ = 33116040. Its totient is φ = 33071920.

The previous prime is 33093937. The next prime is 33093989. The reversal of 33093979 is 97939033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97939033 = 71 ⋅1379423.

It is a cyclic number.

It is not a de Polignac number, because 33093979 - 2¹¹ = 33091931 is a prime.

It is a super-2 number, since 2×33093979² = 2190422892104882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33093919) 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, 8602 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (8279010).

Almost surely, 2^33093979 is an apocalyptic number.

33093979 is a deficient number, since it is larger than the sum of its proper divisors (22061).

33093979 is a wasteful number, since it uses less digits than its factorization.

33093979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22060.

The product of its (nonzero) digits is 137781, while the sum is 43.

The square root of 33093979 is about 5752.7366531069. The cubic root of 33093979 is about 321.0576301390.

The spelling of 33093979 in words is "thirty-three million, ninety-three thousand, nine hundred seventy-nine".