33194890 has 8 divisors (see below), whose sum is σ = 59750820. Its totient is φ = 13277952.

The previous prime is 33194867. The next prime is 33194921. The reversal of 33194890 is 9849133.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 1283689 = 5649^2 + 1133^2 .

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

It is a super-2 number, since 2×33194890² = 2203801444224200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659735 + ... + 1659754.

Almost surely, 2^33194890 is an apocalyptic number.

33194890 is a deficient number, since it is larger than the sum of its proper divisors (26555930).

33194890 is a wasteful number, since it uses less digits than its factorization.

33194890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319496.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 33194890 is about 5761.5006725679. The cubic root of 33194890 is about 321.3836247087.

The spelling of 33194890 in words is "thirty-three million, one hundred ninety-four thousand, eight hundred ninety".