33238380 has 48 divisors (see below), whose sum is σ = 106364160. Its totient is φ = 7597248.

The previous prime is 33238369. The next prime is 33238397. The reversal of 33238380 is 8383233.

It is a super-2 number, since 2×33238380² = 2209579810048800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39150 + ... + 39989.

It is an arithmetic number, because the mean of its divisors is an integer number (2215920).

Almost surely, 2^33238380 is an apocalyptic number.

33238380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33238380 is an abundant number, since it is smaller than the sum of its proper divisors (73125780).

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

33238380 is a wasteful number, since it uses less digits than its factorization.

33238380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79158 (or 79156 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 33238380 is about 5765.2736275046. The cubic root of 33238380 is about 321.5239161245.

The spelling of 33238380 in words is "thirty-three million, two hundred thirty-eight thousand, three hundred eighty".