33127428 has 24 divisors (see below), whose sum is σ = 77392000. Its totient is φ = 11028960.

The previous prime is 33127417. The next prime is 33127447. The reversal of 33127428 is 82472133.

It is a junction number, because it is equal to n+sod(n) for n = 33127395 and 33127404.

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 in 7 ways as a sum of consecutive naturals, for example, 15573 + ... + 17571.

Almost surely, 2^33127428 is an apocalyptic number.

It is an amenable number.

33127428 is an abundant number, since it is smaller than the sum of its proper divisors (44264572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33127428 is a wasteful number, since it uses less digits than its factorization.

33127428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 33127428 is about 5755.6431439067. The cubic root of 33127428 is about 321.1657609928.

The spelling of 33127428 in words is "thirty-three million, one hundred twenty-seven thousand, four hundred twenty-eight".