33982091 has 16 divisors (see below), whose sum is σ = 40497408. Its totient is φ = 28106400.

The previous prime is 33982079. The next prime is 33982093. The reversal of 33982091 is 19028933.

It is a cyclic number.

It is not a de Polignac number, because 33982091 - 2⁶ = 33982027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33982093) 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, 8480 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (2531088).

Almost surely, 2^33982091 is an apocalyptic number.

33982091 is a deficient number, since it is larger than the sum of its proper divisors (6515317).

33982091 is a wasteful number, since it uses less digits than its factorization.

33982091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 33982091 is about 5829.4160084866. The cubic root of 33982091 is about 323.9042895420.

The spelling of 33982091 in words is "thirty-three million, nine hundred eighty-two thousand, ninety-one".