33394738 has 12 divisors (see below), whose sum is σ = 54242298. Its totient is φ = 15412800.

The previous prime is 33394733. The next prime is 33394793. The reversal of 33394738 is 83749333.

It can be written as a sum of positive squares in 3 ways, for example, as 21650409 + 11744329 = 4653^2 + 3427^2 .

It is a super-2 number, since 2×33394738² = 2230417052177288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33394738.

It is not an unprimeable number, because it can be changed into a prime (33394733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49063 + ... + 49738.

Almost surely, 2^33394738 is an apocalyptic number.

33394738 is a deficient number, since it is larger than the sum of its proper divisors (20847560).

33394738 is a wasteful number, since it uses less digits than its factorization.

33394738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98829 (or 98816 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The square root of 33394738 is about 5778.8180452407. The cubic root of 33394738 is about 322.0272921584.

The spelling of 33394738 in words is "thirty-three million, three hundred ninety-four thousand, seven hundred thirty-eight".