33198961 has 4 divisors (see below), whose sum is σ = 33666624. Its totient is φ = 32731300.

The previous prime is 33198941. The next prime is 33198983. The reversal of 33198961 is 16989133.

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.

It is a cyclic number.

It is not a de Polignac number, because 33198961 - 2¹⁷ = 33067889 is a prime.

It is a super-2 number, since 2×33198961² = 2204342022959042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33198901) 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, 233725 + ... + 233866.

It is an arithmetic number, because the mean of its divisors is an integer number (8416656).

Almost surely, 2^33198961 is an apocalyptic number.

It is an amenable number.

33198961 is a deficient number, since it is larger than the sum of its proper divisors (467663).

33198961 is an equidigital number, since it uses as much as digits as its factorization.

33198961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467662.

The product of its digits is 34992, while the sum is 40.

The square root of 33198961 is about 5761.8539551085. The cubic root of 33198961 is about 321.3967622655.

The spelling of 33198961 in words is "thirty-three million, one hundred ninety-eight thousand, nine hundred sixty-one".