28283335 has 12 divisors (see below), whose sum is σ = 34320312. Its totient is φ = 22375808.

The previous prime is 28283327. The next prime is 28283341. The reversal of 28283335 is 53338282.

It is a happy number.

It is not a de Polignac number, because 28283335 - 2³ = 28283327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28283335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63624 + ... + 64066.

It is an arithmetic number, because the mean of its divisors is an integer number (2860026).

Almost surely, 2^28283335 is an apocalyptic number.

28283335 is a deficient number, since it is larger than the sum of its proper divisors (6036977).

28283335 is an equidigital number, since it uses as much as digits as its factorization.

28283335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 561 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 28283335 is about 5318.2078748390. The cubic root of 28283335 is about 304.6797139452.

The spelling of 28283335 in words is "twenty-eight million, two hundred eighty-three thousand, three hundred thirty-five".