33380930 has 16 divisors (see below), whose sum is σ = 65548224. Its totient is φ = 12138480.

The previous prime is 33380909. The next prime is 33380939. The reversal of 33380930 is 3908333.

It is a super-2 number, since 2×33380930² = 2228572975329800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33380893 and 33380902.

It is not an unprimeable number, because it can be changed into a prime (33380939) 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, 151622 + ... + 151841.

It is an arithmetic number, because the mean of its divisors is an integer number (4096764).

Almost surely, 2^33380930 is an apocalyptic number.

33380930 is a deficient number, since it is larger than the sum of its proper divisors (32167294).

33380930 is a wasteful number, since it uses less digits than its factorization.

33380930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303481.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 33380930 is about 5777.6232137446. The cubic root of 33380930 is about 321.9829022723.

The spelling of 33380930 in words is "thirty-three million, three hundred eighty thousand, nine hundred thirty".