33494923 has 16 divisors (see below), whose sum is σ = 43577856. Its totient is φ = 24963840.

The previous prime is 33494921. The next prime is 33494927. The reversal of 33494923 is 32949433.

It is not a de Polignac number, because 33494923 - 2¹ = 33494921 is a prime.

It is a super-2 number, since 2×33494923² = 2243819733551858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33494921) 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 15 ways as a sum of consecutive naturals, for example, 7686 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (2723616).

Almost surely, 2^33494923 is an apocalyptic number.

33494923 is a deficient number, since it is larger than the sum of its proper divisors (10082933).

33494923 is a wasteful number, since it uses less digits than its factorization.

33494923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954.

The product of its digits is 69984, while the sum is 37.

The square root of 33494923 is about 5787.4798487770. The cubic root of 33494923 is about 322.3490004803.

Subtracting from 33494923 its reverse (32949433), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 33494923 in words is "thirty-three million, four hundred ninety-four thousand, nine hundred twenty-three".