33239130 has 64 divisors (see below), whose sum is σ = 83386368. Its totient is φ = 8470080.

The previous prime is 33239053. The next prime is 33239137. The reversal of 33239130 is 3193233.

It is a super-2 number, since 2×33239130² = 2209679526313800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33239130.

It is not an unprimeable number, because it can be changed into a prime (33239137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95617 + ... + 95963.

It is an arithmetic number, because the mean of its divisors is an integer number (1302912).

Almost surely, 2^33239130 is an apocalyptic number.

33239130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33239130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41693184).

33239130 is an abundant number, since it is smaller than the sum of its proper divisors (50147238).

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

33239130 is a wasteful number, since it uses less digits than its factorization.

33239130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 1458, while the sum is 24.

The square root of 33239130 is about 5765.3386717521. The cubic root of 33239130 is about 321.5263344245.

The spelling of 33239130 in words is "thirty-three million, two hundred thirty-nine thousand, one hundred thirty".