33808489 has 12 divisors (see below), whose sum is σ = 40021828. Its totient is φ = 28369440.

The previous prime is 33808471. The next prime is 33808493. The reversal of 33808489 is 98480833.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 29888089 = 1980^2 + 5467^2 .

It is not a de Polignac number, because 33808489 - 2¹¹ = 33806441 is a prime.

It is a super-2 number, since 2×33808489² = 2286027856926242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33808409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9174 + ... + 12319.

Almost surely, 2^33808489 is an apocalyptic number.

It is an amenable number.

33808489 is a deficient number, since it is larger than the sum of its proper divisors (6213339).

33808489 is a wasteful number, since it uses less digits than its factorization.

33808489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21528 (or 21517 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 33808489 is about 5814.5067718595. The cubic root of 33808489 is about 323.3517783316.

The spelling of 33808489 in words is "thirty-three million, eight hundred eight thousand, four hundred eighty-nine".