33604889 has 2 divisors, whose sum is σ = 33604890. Its totient is φ = 33604888.

The previous prime is 33604877. The next prime is 33604933. The reversal of 33604889 is 98840633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33235225 + 369664 = 5765^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 33604889 - 2⁴ = 33604873 is a prime.

It is a super-2 number, since 2×33604889² = 2258577129404642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33604819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16802444 + 16802445.

It is an arithmetic number, because the mean of its divisors is an integer number (16802445).

Almost surely, 2^33604889 is an apocalyptic number.

It is an amenable number.

33604889 is a deficient number, since it is larger than the sum of its proper divisors (1).

33604889 is an equidigital number, since it uses as much as digits as its factorization.

33604889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 33604889 is about 5796.9723994513. The cubic root of 33604889 is about 322.7013793440.

The spelling of 33604889 in words is "thirty-three million, six hundred four thousand, eight hundred eighty-nine".