28933335 has 32 divisors (see below), whose sum is σ = 51943680. Its totient is φ = 15279264.

The previous prime is 28933327. The next prime is 28933339. The reversal of 28933335 is 53333982.

It is not a de Polignac number, because 28933335 - 2³ = 28933327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28933335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28933339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13444 + ... + 15446.

It is an arithmetic number, because the mean of its divisors is an integer number (1623240).

Almost surely, 2^28933335 is an apocalyptic number.

28933335 is a deficient number, since it is larger than the sum of its proper divisors (23010345).

28933335 is a wasteful number, since it uses less digits than its factorization.

28933335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124 (or 2118 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 28933335 is about 5378.9715559761. The cubic root of 28933335 is about 306.9960812523.

The spelling of 28933335 in words is "twenty-eight million, nine hundred thirty-three thousand, three hundred thirty-five".