33865242 has 8 divisors (see below), whose sum is σ = 67730496. Its totient is φ = 11288412.

The previous prime is 33865229. The next prime is 33865253. The reversal of 33865242 is 24256833.

It is a happy number.

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

33865242 is an admirable number.

It is a super-2 number, since 2×33865242² = 2293709231437128, 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 an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2822098 + ... + 2822109.

It is an arithmetic number, because the mean of its divisors is an integer number (8466312).

Almost surely, 2^33865242 is an apocalyptic number.

33865242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33865242 is a wasteful number, since it uses less digits than its factorization.

33865242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644212.

The product of its digits is 34560, while the sum is 33.

The square root of 33865242 is about 5819.3850190548. The cubic root of 33865242 is about 323.5326098831.

The spelling of 33865242 in words is "thirty-three million, eight hundred sixty-five thousand, two hundred forty-two".