33604489 has 4 divisors (see below), whose sum is σ = 33618640. Its totient is φ = 33590340.

The previous prime is 33604481. The next prime is 33604511. The reversal of 33604489 is 98440633.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98440633 = 173 ⋅569021.

It is a cyclic number.

It is not a de Polignac number, because 33604489 - 2³ = 33604481 is a prime.

It is a super-2 number, since 2×33604489² = 2258523361902242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33604481) 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, 2547 + ... + 8584.

It is an arithmetic number, because the mean of its divisors is an integer number (8404660).

Almost surely, 2^33604489 is an apocalyptic number.

It is an amenable number.

33604489 is a deficient number, since it is larger than the sum of its proper divisors (14151).

33604489 is a wasteful number, since it uses less digits than its factorization.

33604489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14150.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 33604489 is about 5796.9378985806. The cubic root of 33604489 is about 322.7000989642.

The spelling of 33604489 in words is "thirty-three million, six hundred four thousand, four hundred eighty-nine".