33383868 has 24 divisors (see below), whose sum is σ = 89023872. Its totient is φ = 9538224.

The previous prime is 33383863. The next prime is 33383891. The reversal of 33383868 is 86838333.

It is a super-2 number, since 2×33383868² = 2228965285282848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33383863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 198630 + ... + 198797.

It is an arithmetic number, because the mean of its divisors is an integer number (3709328).

Almost surely, 2^33383868 is an apocalyptic number.

It is an amenable number.

33383868 is an abundant number, since it is smaller than the sum of its proper divisors (55640004).

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

33383868 is a wasteful number, since it uses less digits than its factorization.

33383868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397441 (or 397439 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 33383868 is about 5777.8774649520. The cubic root of 33383868 is about 321.9923483644.

The spelling of 33383868 in words is "thirty-three million, three hundred eighty-three thousand, eight hundred sixty-eight".