33013836 has 18 divisors (see below), whose sum is σ = 83451732. Its totient is φ = 11004600.

The previous prime is 33013829. The next prime is 33013891. The reversal of 33013836 is 63831033.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 458490 + ... + 458561.

Almost surely, 2^33013836 is an apocalyptic number.

33013836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33013836 is an abundant number, since it is smaller than the sum of its proper divisors (50437896).

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

33013836 is a wasteful number, since it uses less digits than its factorization.

33013836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917061 (or 917056 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 33013836 is about 5745.7667895591. The cubic root of 33013836 is about 320.7982544582.

Adding to 33013836 its reverse (63831033), we get a palindrome (96844869).

The spelling of 33013836 in words is "thirty-three million, thirteen thousand, eight hundred thirty-six".