28715486 has 16 divisors (see below), whose sum is σ = 45500928. Its totient is φ = 13570200.

The previous prime is 28715471. The next prime is 28715503. The reversal of 28715486 is 68451782.

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, 2720 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (2843808).

Almost surely, 2^28715486 is an apocalyptic number.

28715486 is a deficient number, since it is larger than the sum of its proper divisors (16785442).

28715486 is a wasteful number, since it uses less digits than its factorization.

28715486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847.

The product of its digits is 107520, while the sum is 41.

The square root of 28715486 is about 5358.6832337805. The cubic root of 28715486 is about 306.2236464342.

The spelling of 28715486 in words is "twenty-eight million, seven hundred fifteen thousand, four hundred eighty-six".