33980217 has 4 divisors (see below), whose sum is σ = 45306960. Its totient is φ = 22653476.

The previous prime is 33980213. The next prime is 33980231. The reversal of 33980217 is 71208933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71208933 = 3 ⋅23736311.

It is a cyclic number.

It is not a de Polignac number, because 33980217 - 2² = 33980213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33980213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5663367 + ... + 5663372.

It is an arithmetic number, because the mean of its divisors is an integer number (11326740).

Almost surely, 2^33980217 is an apocalyptic number.

It is an amenable number.

33980217 is a deficient number, since it is larger than the sum of its proper divisors (11326743).

33980217 is a wasteful number, since it uses less digits than its factorization.

33980217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11326742.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 33980217 is about 5829.2552697579. The cubic root of 33980217 is about 323.8983353489.

The spelling of 33980217 in words is "thirty-three million, nine hundred eighty thousand, two hundred seventeen".