33488664 has 32 divisors (see below), whose sum is σ = 91333440. Its totient is φ = 10148000.

The previous prime is 33488647. The next prime is 33488669. The reversal of 33488664 is 46688433.

It is a super-2 number, since 2×33488664² = 2242981233009792, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33488669) 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, 63162 + ... + 63689.

It is an arithmetic number, because the mean of its divisors is an integer number (2854170).

Almost surely, 2^33488664 is an apocalyptic number.

It is an amenable number.

33488664 is an abundant number, since it is smaller than the sum of its proper divisors (57844776).

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

33488664 is a wasteful number, since it uses less digits than its factorization.

33488664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126871 (or 126867 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 33488664 is about 5786.9390872896. The cubic root of 33488664 is about 322.3289207399.

The spelling of 33488664 in words is "thirty-three million, four hundred eighty-eight thousand, six hundred sixty-four".