33968897 has 4 divisors (see below), whose sum is σ = 34350660. Its totient is φ = 33587136.

The previous prime is 33968881. The next prime is 33968911. The reversal of 33968897 is 79886933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11082241 + 22886656 = 3329^2 + 4784^2 .

It is a cyclic number.

It is not a de Polignac number, because 33968897 - 2⁴ = 33968881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33968807) 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, 190748 + ... + 190925.

It is an arithmetic number, because the mean of its divisors is an integer number (8587665).

Almost surely, 2^33968897 is an apocalyptic number.

It is an amenable number.

33968897 is a deficient number, since it is larger than the sum of its proper divisors (381763).

33968897 is an equidigital number, since it uses as much as digits as its factorization.

33968897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381762.

The product of its digits is 1959552, while the sum is 53.

The square root of 33968897 is about 5828.2842243666. The cubic root of 33968897 is about 323.8623640622.

The spelling of 33968897 in words is "thirty-three million, nine hundred sixty-eight thousand, eight hundred ninety-seven".