28846686 has 16 divisors (see below), whose sum is σ = 62938368. Its totient is φ = 8741400.

The previous prime is 28846667. The next prime is 28846687. The reversal of 28846686 is 68664882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28846687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218470 + ... + 218601.

It is an arithmetic number, because the mean of its divisors is an integer number (3933648).

Almost surely, 2^28846686 is an apocalyptic number.

28846686 is an abundant number, since it is smaller than the sum of its proper divisors (34091682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28846686 is a wasteful number, since it uses less digits than its factorization.

28846686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437087.

The product of its digits is 884736, while the sum is 48.

The square root of 28846686 is about 5370.9110958943. The cubic root of 28846686 is about 306.6893128099.

The spelling of 28846686 in words is "twenty-eight million, eight hundred forty-six thousand, six hundred eighty-six".