33880394 has 4 divisors (see below), whose sum is σ = 50820594. Its totient is φ = 16940196.

The previous prime is 33880393. The next prime is 33880397. The reversal of 33880394 is 49308833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30658369 + 3222025 = 5537^2 + 1795^2 .

It is a super-2 number, since 2×33880394² = 2295762195190472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33880393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8470097 + ... + 8470100.

Almost surely, 2^33880394 is an apocalyptic number.

33880394 is a deficient number, since it is larger than the sum of its proper divisors (16940200).

33880394 is a wasteful number, since it uses less digits than its factorization.

33880394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940199.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 33880394 is about 5820.6867292442. The cubic root of 33880394 is about 323.5808543849.

The spelling of 33880394 in words is "thirty-three million, eight hundred eighty thousand, three hundred ninety-four".