28982735 has 8 divisors (see below), whose sum is σ = 35013600. Its totient is φ = 23029984.

The previous prime is 28982713. The next prime is 28982741. The reversal of 28982735 is 53728982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28982735 - 2⁸ = 28982479 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18707 + ... + 20196.

It is an arithmetic number, because the mean of its divisors is an integer number (4376700).

Almost surely, 2^28982735 is an apocalyptic number.

28982735 is a deficient number, since it is larger than the sum of its proper divisors (6030865).

28982735 is a wasteful number, since it uses less digits than its factorization.

28982735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39057.

The product of its digits is 241920, while the sum is 44.

The square root of 28982735 is about 5383.5615534700. The cubic root of 28982735 is about 307.1707008676.

Subtracting from 28982735 its sum of digits (44), we obtain a triangular number (28982691 = T₇₆₁₃).

The spelling of 28982735 in words is "twenty-eight million, nine hundred eighty-two thousand, seven hundred thirty-five".