28341686 has 16 divisors (see below), whose sum is σ = 45455904. Its totient is φ = 13206144.

The previous prime is 28341661. The next prime is 28341689. The reversal of 28341686 is 68614382.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28341689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (2840994).

Almost surely, 2^28341686 is an apocalyptic number.

28341686 is a deficient number, since it is larger than the sum of its proper divisors (17114218).

28341686 is a wasteful number, since it uses less digits than its factorization.

28341686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215.

The product of its digits is 55296, while the sum is 38.

The square root of 28341686 is about 5323.6910128218. The cubic root of 28341686 is about 304.8890970074.

The spelling of 28341686 in words is "twenty-eight million, three hundred forty-one thousand, six hundred eighty-six".