33338912 has 12 divisors (see below), whose sum is σ = 65636046. Its totient is φ = 16669440.

The previous prime is 33338911. The next prime is 33338917. The reversal of 33338912 is 21983333.

It can be written as a sum of positive squares in only one way, i.e., 29637136 + 3701776 = 5444^2 + 1924^2 .

It is a super-2 number, since 2×33338912² = 2222966106687488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1041841 = 33338912 / (3 + 3 + 3 + 3 + 8 + 9 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (33338911) 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 as a sum of consecutive naturals, namely, 520889 + ... + 520952.

Almost surely, 2^33338912 is an apocalyptic number.

33338912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33338912 is a deficient number, since it is larger than the sum of its proper divisors (32297134).

33338912 is a wasteful number, since it uses less digits than its factorization.

33338912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041851 (or 1041843 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 33338912 is about 5773.9857983892. The cubic root of 33338912 is about 321.8477476785.

The spelling of 33338912 in words is "thirty-three million, three hundred thirty-eight thousand, nine hundred twelve".