33349540 has 48 divisors (see below), whose sum is σ = 83526912. Its totient is φ = 10935936.

The previous prime is 33349501. The next prime is 33349559. The reversal of 33349540 is 4594333.

It is a super-2 number, since 2×33349540² = 2224383636423200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (1740144).

Almost surely, 2^33349540 is an apocalyptic number.

It is an amenable number.

33349540 is an abundant number, since it is smaller than the sum of its proper divisors (50177372).

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

33349540 is a wasteful number, since it uses less digits than its factorization.

33349540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10396 (or 10394 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 33349540 is about 5774.9060598420. The cubic root of 33349540 is about 321.8819442999.

The spelling of 33349540 in words is "thirty-three million, three hundred forty-nine thousand, five hundred forty".