33090966 has 24 divisors (see below), whose sum is σ = 71838000. Its totient is φ = 11008656.

The previous prime is 33090949. The next prime is 33091007. The reversal of 33090966 is 66909033.

It is a self number, because there is not a number n which added to its sum of digits gives 33090966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9535 + ... + 12533.

It is an arithmetic number, because the mean of its divisors is an integer number (2993250).

Almost surely, 2^33090966 is an apocalyptic number.

33090966 is an abundant number, since it is smaller than the sum of its proper divisors (38747034).

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

33090966 is a wasteful number, since it uses less digits than its factorization.

33090966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 33090966 is about 5752.4747717830. The cubic root of 33090966 is about 321.0478864129.

Adding to 33090966 its reverse (66909033), we get a palindrome (99999999).

The spelling of 33090966 in words is "thirty-three million, ninety thousand, nine hundred sixty-six".