33489000 has 144 divisors (see below), whose sum is σ = 115078860. Its totient is φ = 8784000.

The previous prime is 33488977. The next prime is 33489013. The reversal of 33489000 is 98433.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 5673924 + 27815076 = 2382^2 + 5274^2 .

It is a super-2 number, since 2×33489000² = 2243026242000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 548970 + ... + 549030.

Almost surely, 2^33489000 is an apocalyptic number.

33489000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33489000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57539430).

33489000 is an abundant number, since it is smaller than the sum of its proper divisors (81589860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33489000 is a wasteful number, since it uses less digits than its factorization.

33489000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 33489000 is about 5786.9681181081. The cubic root of 33489000 is about 322.3299987381.

The spelling of 33489000 in words is "thirty-three million, four hundred eighty-nine thousand".