33982881 has 16 divisors (see below), whose sum is σ = 48098304. Its totient is φ = 21268224.

The previous prime is 33982843. The next prime is 33982889. The reversal of 33982881 is 18828933.

It is not a de Polignac number, because 33982881 - 2¹⁵ = 33950113 is a prime.

It is a super-2 number, since 2×33982881² = 2309672402120322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33982889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30720 + ... + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (3006144).

Almost surely, 2^33982881 is an apocalyptic number.

It is an amenable number.

33982881 is a deficient number, since it is larger than the sum of its proper divisors (14115423).

33982881 is a wasteful number, since it uses less digits than its factorization.

33982881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its digits is 82944, while the sum is 42.

The square root of 33982881 is about 5829.4837678820. The cubic root of 33982881 is about 323.9067995151.

The spelling of 33982881 in words is "thirty-three million, nine hundred eighty-two thousand, eight hundred eighty-one".