33988197 has 8 divisors (see below), whose sum is σ = 45956160. Its totient is φ = 22339520.

The previous prime is 33988187. The next prime is 33988223. The reversal of 33988197 is 79188933.

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

It is a cyclic number.

It is not a de Polignac number, because 33988197 - 2¹⁸ = 33726053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33988127) 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, 79572 + ... + 79997.

It is an arithmetic number, because the mean of its divisors is an integer number (5744520).

Almost surely, 2^33988197 is an apocalyptic number.

It is an amenable number.

33988197 is a deficient number, since it is larger than the sum of its proper divisors (11967963).

33988197 is a wasteful number, since it uses less digits than its factorization.

33988197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159643.

The product of its digits is 326592, while the sum is 48.

The square root of 33988197 is about 5829.9397080930. The cubic root of 33988197 is about 323.9236883987.

The spelling of 33988197 in words is "thirty-three million, nine hundred eighty-eight thousand, one hundred ninety-seven".