33084989 has 4 divisors (see below), whose sum is σ = 37811424. Its totient is φ = 28358556.

The previous prime is 33084983. The next prime is 33085001. The reversal of 33084989 is 98948033.

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 a de Polignac number, because none of the positive numbers 2^k-33084989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33084983) 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, 2363207 + ... + 2363220.

It is an arithmetic number, because the mean of its divisors is an integer number (9452856).

Almost surely, 2^33084989 is an apocalyptic number.

It is an amenable number.

33084989 is a deficient number, since it is larger than the sum of its proper divisors (4726435).

33084989 is an equidigital number, since it uses as much as digits as its factorization.

33084989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726434.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 33084989 is about 5751.9552327882. The cubic root of 33084989 is about 321.0285556711.

The spelling of 33084989 in words is "thirty-three million, eighty-four thousand, nine hundred eighty-nine".