33380690 has 32 divisors (see below), whose sum is σ = 72710784. Its totient is φ = 10771200.

The previous prime is 33380689. The next prime is 33380713. The reversal of 33380690 is 9608333.

It is a happy number.

It is a super-2 number, since 2×33380690² = 2228540929752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12836 + ... + 15215.

It is an arithmetic number, because the mean of its divisors is an integer number (2272212).

Almost surely, 2^33380690 is an apocalyptic number.

33380690 is an abundant number, since it is smaller than the sum of its proper divisors (39330094).

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

33380690 is a wasteful number, since it uses less digits than its factorization.

33380690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28082.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 33380690 is about 5777.6024439208. The cubic root of 33380690 is about 321.9821306134.

The spelling of 33380690 in words is "thirty-three million, three hundred eighty thousand, six hundred ninety".