33489999 has 12 divisors (see below), whose sum is σ = 48441016. Its totient is φ = 22295952.

The previous prime is 33489979. The next prime is 33490003. The reversal of 33489999 is 99998433.

It is not a de Polignac number, because 33489999 - 2⁷ = 33489871 is a prime.

It is a super-2 number, since 2×33489999² = 2243160066040002, which contains 22 as substring.

It is a Duffinian number.

33489999 is a modest number, since divided by 9999 gives 3348 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33489979) 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, 5772 + ... + 10014.

Almost surely, 2^33489999 is an apocalyptic number.

33489999 is a deficient number, since it is larger than the sum of its proper divisors (14951017).

33489999 is a wasteful number, since it uses less digits than its factorization.

33489999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126 (or 5123 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 33489999 is about 5787.0544320924. The cubic root of 33489999 is about 322.3332038150. Note that the first 3 decimals are identical.

The spelling of 33489999 in words is "thirty-three million, four hundred eighty-nine thousand, nine hundred ninety-nine".