33940249 has 8 divisors (see below), whose sum is σ = 40475520. Its totient is φ = 27826656.

The previous prime is 33940229. The next prime is 33940259. The reversal of 33940249 is 94204933.

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

It is a cyclic number.

It is not a de Polignac number, because 33940249 - 2¹³ = 33932057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33940229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105244 + ... + 105565.

It is an arithmetic number, because the mean of its divisors is an integer number (5059440).

Almost surely, 2^33940249 is an apocalyptic number.

It is an amenable number.

33940249 is a deficient number, since it is larger than the sum of its proper divisors (6535271).

33940249 is a wasteful number, since it uses less digits than its factorization.

33940249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210839.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 33940249 is about 5825.8260358511. The cubic root of 33940249 is about 323.7712942966.

The spelling of 33940249 in words is "thirty-three million, nine hundred forty thousand, two hundred forty-nine".