33890234 has 16 divisors (see below), whose sum is σ = 58320000. Its totient is φ = 14468784.

The previous prime is 33890203. The next prime is 33890237. The reversal of 33890234 is 43209833.

It is a happy number.

33890234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33890234² = 2297095921149512, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33890234.

It is not an unprimeable number, because it can be changed into a prime (33890237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 734 + ... + 8265.

It is an arithmetic number, because the mean of its divisors is an integer number (3645000).

Almost surely, 2^33890234 is an apocalyptic number.

33890234 is a deficient number, since it is larger than the sum of its proper divisors (24429766).

33890234 is a wasteful number, since it uses less digits than its factorization.

33890234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 33890234 is about 5821.5319289685. The cubic root of 33890234 is about 323.6121775882.

The spelling of 33890234 in words is "thirty-three million, eight hundred ninety thousand, two hundred thirty-four".