33198636 has 24 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 11050192.

The previous prime is 33198631. The next prime is 33198647. The reversal of 33198636 is 63689133.

It is a super-2 number, since 2×33198636² = 2204298864520992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33198594 and 33198603.

It is not an unprimeable number, because it can be changed into a prime (33198631) 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, 9085 + ... + 12203.

It is an arithmetic number, because the mean of its divisors is an integer number (3232320).

Almost surely, 2^33198636 is an apocalyptic number.

It is an amenable number.

33198636 is an abundant number, since it is smaller than the sum of its proper divisors (44377044).

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

33198636 is a wasteful number, since it uses less digits than its factorization.

33198636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013 (or 4011 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 33198636 is about 5761.8257523115. The cubic root of 33198636 is about 321.3957134948.

The spelling of 33198636 in words is "thirty-three million, one hundred ninety-eight thousand, six hundred thirty-six".