33861089 has 2 divisors, whose sum is σ = 33861090. Its totient is φ = 33861088.

The previous prime is 33861077. The next prime is 33861101. The reversal of 33861089 is 98016833.

It is a balanced prime because it is at equal distance from previous prime (33861077) and next prime (33861101).

It can be written as a sum of positive squares in only one way, i.e., 31550689 + 2310400 = 5617^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 33861089 - 2²⁴ = 17083873 is a prime.

It is a super-2 number, since 2×33861089² = 2293146696531842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33861019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16930544 + 16930545.

It is an arithmetic number, because the mean of its divisors is an integer number (16930545).

Almost surely, 2^33861089 is an apocalyptic number.

It is an amenable number.

33861089 is a deficient number, since it is larger than the sum of its proper divisors (1).

33861089 is an equidigital number, since it uses as much as digits as its factorization.

33861089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 33861089 is about 5819.0281834684. The cubic root of 33861089 is about 323.5193840723.

The spelling of 33861089 in words is "thirty-three million, eight hundred sixty-one thousand, eighty-nine".