28393485 has 16 divisors (see below), whose sum is σ = 48102336. Its totient is φ = 14252288.

The previous prime is 28393471. The next prime is 28393501. The reversal of 28393485 is 58439382.

It is a cyclic number.

It is not a de Polignac number, because 28393485 - 2⁷ = 28393357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55419 + ... + 55928.

It is an arithmetic number, because the mean of its divisors is an integer number (3006396).

Almost surely, 2^28393485 is an apocalyptic number.

It is an amenable number.

28393485 is a deficient number, since it is larger than the sum of its proper divisors (19708851).

28393485 is a wasteful number, since it uses less digits than its factorization.

28393485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111372.

The product of its digits is 207360, while the sum is 42.

The square root of 28393485 is about 5328.5537437470. The cubic root of 28393485 is about 305.0747286209.

The spelling of 28393485 in words is "twenty-eight million, three hundred ninety-three thousand, four hundred eighty-five".