33838881 has 8 divisors (see below), whose sum is σ = 45145824. Its totient is φ = 22545600.

The previous prime is 33838877. The next prime is 33838901. The reversal of 33838881 is 18883833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33838881 - 2² = 33838877 is a prime.

It is a super-2 number, since 2×33838881² = 2290139734664322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33838811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6390 + ... + 10416.

It is an arithmetic number, because the mean of its divisors is an integer number (5643228).

Almost surely, 2^33838881 is an apocalyptic number.

It is an amenable number.

33838881 is a deficient number, since it is larger than the sum of its proper divisors (11306943).

33838881 is a wasteful number, since it uses less digits than its factorization.

33838881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831.

The product of its digits is 110592, while the sum is 42.

The square root of 33838881 is about 5817.1196480733. The cubic root of 33838881 is about 323.4486412228.

The spelling of 33838881 in words is "thirty-three million, eight hundred thirty-eight thousand, eight hundred eighty-one".