33381234 has 120 divisors (see below), whose sum is σ = 85586688. Its totient is φ = 9694080.

The previous prime is 33381223. The next prime is 33381241. The reversal of 33381234 is 43218333.

It is a super-2 number, since 2×33381234² = 2228613566725512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33381198 and 33381207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1076799 + ... + 1076829.

Almost surely, 2^33381234 is an apocalyptic number.

33381234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33381234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42793344).

33381234 is an abundant number, since it is smaller than the sum of its proper divisors (52205454).

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

33381234 is a wasteful number, since it uses less digits than its factorization.

33381234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 76 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 33381234 is about 5777.6495220808. The cubic root of 33381234 is about 321.9838797017.

Adding to 33381234 its reverse (43218333), we get a palindrome (76599567).

The spelling of 33381234 in words is "thirty-three million, three hundred eighty-one thousand, two hundred thirty-four".