33428368 has 10 divisors (see below), whose sum is σ = 64767494. Its totient is φ = 16714176.

The previous prime is 33428359. The next prime is 33428383. The reversal of 33428368 is 86382433.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 14348944 = 4368^2 + 3788^2 .

It is a super-2 number, since 2×33428368² = 2234911574286848, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1044621 + ... + 1044652.

Almost surely, 2^33428368 is an apocalyptic number.

It is an amenable number.

33428368 is a deficient number, since it is larger than the sum of its proper divisors (31339126).

33428368 is a wasteful number, since it uses less digits than its factorization.

33428368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089281 (or 2089275 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 33428368 is about 5781.7270776127. The cubic root of 33428368 is about 322.1353545374.

The spelling of 33428368 in words is "thirty-three million, four hundred twenty-eight thousand, three hundred sixty-eight".