33398834 has 16 divisors (see below), whose sum is σ = 57371328. Its totient is φ = 14284752.

The previous prime is 33398759. The next prime is 33398839. The reversal of 33398834 is 43889333.

It is a super-2 number, since 2×33398834² = 2230964225119112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33398791 and 33398800.

It is not an unprimeable number, because it can be changed into a prime (33398839) 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, 5657 + ... + 9939.

It is an arithmetic number, because the mean of its divisors is an integer number (3585708).

Almost surely, 2^33398834 is an apocalyptic number.

33398834 is a deficient number, since it is larger than the sum of its proper divisors (23972494).

33398834 is a wasteful number, since it uses less digits than its factorization.

33398834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its digits is 186624, while the sum is 41.

The square root of 33398834 is about 5779.1724321048. The cubic root of 33398834 is about 322.0404576044.

The spelling of 33398834 in words is "thirty-three million, three hundred ninety-eight thousand, eight hundred thirty-four".