33394432 has 18 divisors (see below), whose sum is σ = 66658928. Its totient is φ = 16697088.

The previous prime is 33394421. The next prime is 33394433. The reversal of 33394432 is 23449333.

It is a super-2 number, since 2×33394432² = 2230376177205248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33394394 and 33394403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33394433) 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 as a sum of consecutive naturals, namely, 64968 + ... + 65479.

Almost surely, 2^33394432 is an apocalyptic number.

33394432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33394432 is a deficient number, since it is larger than the sum of its proper divisors (33264496).

33394432 is an equidigital number, since it uses as much as digits as its factorization.

33394432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130463 (or 130449 counting only the distinct ones).

The product of its digits is 23328, while the sum is 31.

The square root of 33394432 is about 5778.7915691778. The cubic root of 33394432 is about 322.0263085638.

The spelling of 33394432 in words is "thirty-three million, three hundred ninety-four thousand, four hundred thirty-two".