33338380 has 12 divisors (see below), whose sum is σ = 70010640. Its totient is φ = 13335344.

The previous prime is 33338359. The next prime is 33338381. The reversal of 33338380 is 8383333.

It is a super-2 number, since 2×33338380² = 2222895162048800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33338381) 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 3 ways as a sum of consecutive naturals, for example, 833440 + ... + 833479.

It is an arithmetic number, because the mean of its divisors is an integer number (5834220).

Almost surely, 2^33338380 is an apocalyptic number.

It is an amenable number.

33338380 is an abundant number, since it is smaller than the sum of its proper divisors (36672260).

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

33338380 is a wasteful number, since it uses less digits than its factorization.

33338380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666928 (or 1666926 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 33338380 is about 5773.9397295088. The cubic root of 33338380 is about 321.8460357259.

The spelling of 33338380 in words is "thirty-three million, three hundred thirty-eight thousand, three hundred eighty".