33481886 has 4 divisors (see below), whose sum is σ = 50222832. Its totient is φ = 16740942.

The previous prime is 33481883. The next prime is 33481909. The reversal of 33481886 is 68818433.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33481886² = 2242073380233992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33481883) 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 as a sum of consecutive naturals, namely, 8370470 + ... + 8370473.

It is an arithmetic number, because the mean of its divisors is an integer number (12555708).

Almost surely, 2^33481886 is an apocalyptic number.

33481886 is a deficient number, since it is larger than the sum of its proper divisors (16740946).

33481886 is a wasteful number, since it uses less digits than its factorization.

33481886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740945.

The product of its digits is 110592, while the sum is 41.

The square root of 33481886 is about 5786.3534285420. The cubic root of 33481886 is about 322.3071731535.

The spelling of 33481886 in words is "thirty-three million, four hundred eighty-one thousand, eight hundred eighty-six".