33481899 has 24 divisors (see below), whose sum is σ = 53194752. Its totient is φ = 20124720.

The previous prime is 33481883. The next prime is 33481909. The reversal of 33481899 is 99818433.

It is not a de Polignac number, because 33481899 - 2⁴ = 33481883 is a prime.

It is a super-2 number, since 2×33481899² = 2242075121292402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33481099) 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 23 ways as a sum of consecutive naturals, for example, 11242 + ... + 13904.

It is an arithmetic number, because the mean of its divisors is an integer number (2216448).

Almost surely, 2^33481899 is an apocalyptic number.

33481899 is a deficient number, since it is larger than the sum of its proper divisors (19712853).

33481899 is a wasteful number, since it uses less digits than its factorization.

33481899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2804 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 33481899 is about 5786.3545518746. The cubic root of 33481899 is about 322.3072148676.

The spelling of 33481899 in words is "thirty-three million, four hundred eighty-one thousand, eight hundred ninety-nine".