28393735 has 8 divisors (see below), whose sum is σ = 34103376. Its totient is φ = 22694400.

The previous prime is 28393721. The next prime is 28393769. The reversal of 28393735 is 53739382.

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

It is not a de Polignac number, because 28393735 - 2⁹ = 28393223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6232 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (4262922).

Almost surely, 2^28393735 is an apocalyptic number.

28393735 is a deficient number, since it is larger than the sum of its proper divisors (5709641).

28393735 is a wasteful number, since it uses less digits than its factorization.

28393735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153.

The product of its digits is 136080, while the sum is 40.

The square root of 28393735 is about 5328.5772022182. The cubic root of 28393735 is about 305.0756239960.

The spelling of 28393735 in words is "twenty-eight million, three hundred ninety-three thousand, seven hundred thirty-five".