33197985 has 16 divisors (see below), whose sum is σ = 59018880. Its totient is φ = 17705520.

The previous prime is 33197963. The next prime is 33197999. The reversal of 33197985 is 58979133.

It is a happy number.

It is not a de Polignac number, because 33197985 - 2⁸ = 33197729 is a prime.

It is a super-2 number, since 2×33197985² = 2204212416120450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33197985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122821 + ... + 123090.

It is an arithmetic number, because the mean of its divisors is an integer number (3688680).

Almost surely, 2^33197985 is an apocalyptic number.

It is an amenable number.

33197985 is a deficient number, since it is larger than the sum of its proper divisors (25820895).

33197985 is a wasteful number, since it uses less digits than its factorization.

33197985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245925 (or 245919 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 33197985 is about 5761.7692595244. The cubic root of 33197985 is about 321.3936127059.

The spelling of 33197985 in words is "thirty-three million, one hundred ninety-seven thousand, nine hundred eighty-five".