33421992 has 32 divisors (see below), whose sum is σ = 84499200. Its totient is φ = 11014784.

The previous prime is 33421987. The next prime is 33422021. The reversal of 33421992 is 29912433.

It is a super-2 number, since 2×33421992² = 2234059098496128, 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 7 ways as a sum of consecutive naturals, for example, 5688 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2640600).

Almost surely, 2^33421992 is an apocalyptic number.

It is an amenable number.

33421992 is an abundant number, since it is smaller than the sum of its proper divisors (51077208).

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

33421992 is a wasteful number, since it uses less digits than its factorization.

33421992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745 (or 15741 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 33421992 is about 5781.1756589815. The cubic root of 33421992 is about 322.1148722770.

The spelling of 33421992 in words is "thirty-three million, four hundred twenty-one thousand, nine hundred ninety-two".