33238836 has 60 divisors (see below), whose sum is σ = 87542532. Its totient is φ = 10996992.

The previous prime is 33238831. The next prime is 33238861. The reversal of 33238836 is 63883233.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 7290000 = 5094^2 + 2700^2 .

It is a super-2 number, since 2×33238836² = 2209640437269792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 33238836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33238831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55756 + ... + 56348.

Almost surely, 2^33238836 is an apocalyptic number.

33238836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33238836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43771266).

33238836 is an abundant number, since it is smaller than the sum of its proper divisors (54303696).

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

33238836 is a wasteful number, since it uses less digits than its factorization.

33238836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 771 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 33238836 is about 5765.3131744945. The cubic root of 33238836 is about 321.5253864552.

The spelling of 33238836 in words is "thirty-three million, two hundred thirty-eight thousand, eight hundred thirty-six".