33885380 has 24 divisors (see below), whose sum is σ = 71399832. Its totient is φ = 13508352.

The previous prime is 33885373. The next prime is 33885407. The reversal of 33885380 is 8358833.

It can be written as a sum of positive squares in 4 ways, for example, as 1098304 + 32787076 = 1048^2 + 5726^2 .

It is a super-2 number, since 2×33885380² = 2296437955488800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (2974993).

Almost surely, 2^33885380 is an apocalyptic number.

It is an amenable number.

33885380 is an abundant number, since it is smaller than the sum of its proper divisors (37514452).

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

33885380 is a wasteful number, since it uses less digits than its factorization.

33885380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735 (or 5733 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 33885380 is about 5821.1150134661. The cubic root of 33885380 is about 323.5967268390.

The spelling of 33885380 in words is "thirty-three million, eight hundred eighty-five thousand, three hundred eighty".