33508090 has 32 divisors (see below), whose sum is σ = 75199104. Its totient is φ = 10443840.

The previous prime is 33508067. The next prime is 33508091. The reversal of 33508090 is 9080533.

It is a happy number.

It is a super-2 number, since 2×33508090² = 2245584190896200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33508091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20989 + ... + 22528.

It is an arithmetic number, because the mean of its divisors is an integer number (2349972).

Almost surely, 2^33508090 is an apocalyptic number.

33508090 is an abundant number, since it is smaller than the sum of its proper divisors (41691014).

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

33508090 is a wasteful number, since it uses less digits than its factorization.

33508090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43542.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 33508090 is about 5788.6172787636. The cubic root of 33508090 is about 322.3912338784.

The spelling of 33508090 in words is "thirty-three million, five hundred eight thousand, ninety".