33428363 has 4 divisors (see below), whose sum is σ = 33473280. Its totient is φ = 33383448.

The previous prime is 33428359. The next prime is 33428383. The reversal of 33428363 is 36382433.

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

It is a cyclic number.

It is not a de Polignac number, because 33428363 - 2² = 33428359 is a prime.

It is a super-2 number, since 2×33428363² = 2234910905719538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33428383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21323 + ... + 22836.

It is an arithmetic number, because the mean of its divisors is an integer number (8368320).

Almost surely, 2^33428363 is an apocalyptic number.

33428363 is a deficient number, since it is larger than the sum of its proper divisors (44917).

33428363 is an equidigital number, since it uses as much as digits as its factorization.

33428363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44916.

The product of its digits is 31104, while the sum is 32.

The square root of 33428363 is about 5781.7266452159. The cubic root of 33428363 is about 322.1353384765.

The spelling of 33428363 in words is "thirty-three million, four hundred twenty-eight thousand, three hundred sixty-three".