33423489 has 32 divisors (see below), whose sum is σ = 56870400. Its totient is φ = 19187280.

The previous prime is 33423473. The next prime is 33423491. The reversal of 33423489 is 98432433.

It is a happy number.

It is not a de Polignac number, because 33423489 - 2⁴ = 33423473 is a prime.

It is a super-2 number, since 2×33423489² = 2234259233866242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33423409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2682 + ... + 8604.

It is an arithmetic number, because the mean of its divisors is an integer number (1777200).

Almost surely, 2^33423489 is an apocalyptic number.

It is an amenable number.

33423489 is a deficient number, since it is larger than the sum of its proper divisors (23446911).

33423489 is a wasteful number, since it uses less digits than its factorization.

33423489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962 (or 5956 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 33423489 is about 5781.3051294669. The cubic root of 33423489 is about 322.1196814733.

The spelling of 33423489 in words is "thirty-three million, four hundred twenty-three thousand, four hundred eighty-nine".