33090380 has 12 divisors (see below), whose sum is σ = 69489840. Its totient is φ = 13236144.

The previous prime is 33090377. The next prime is 33090383. The reversal of 33090380 is 8309033.

It is an interprime number because it is at equal distance from previous prime (33090377) and next prime (33090383).

It is not an unprimeable number, because it can be changed into a prime (33090383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827240 + ... + 827279.

It is an arithmetic number, because the mean of its divisors is an integer number (5790820).

Almost surely, 2^33090380 is an apocalyptic number.

It is an amenable number.

33090380 is an abundant number, since it is smaller than the sum of its proper divisors (36399460).

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

33090380 is a wasteful number, since it uses less digits than its factorization.

33090380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654528 (or 1654526 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 33090380 is about 5752.4238369578. The cubic root of 33090380 is about 321.0459912817.

The spelling of 33090380 in words is "thirty-three million, ninety thousand, three hundred eighty".