33489973 has 8 divisors (see below), whose sum is σ = 36582336. Its totient is φ = 30405600.

The previous prime is 33489961. The next prime is 33489977. The reversal of 33489973 is 37998433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33489973 - 2⁵ = 33489941 is a prime.

It is a super-2 number, since 2×33489973² = 2243156583081458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33489977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9865 + ... + 12817.

It is an arithmetic number, because the mean of its divisors is an integer number (4572792).

Almost surely, 2^33489973 is an apocalyptic number.

It is an amenable number.

33489973 is a deficient number, since it is larger than the sum of its proper divisors (3092363).

33489973 is a wasteful number, since it uses less digits than its factorization.

33489973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its digits is 489888, while the sum is 46.

The square root of 33489973 is about 5787.0521856987. The cubic root of 33489973 is about 322.3331204004. Note that the first 3 decimals are identical.

The spelling of 33489973 in words is "thirty-three million, four hundred eighty-nine thousand, nine hundred seventy-three".