28686062 has 4 divisors (see below), whose sum is σ = 43029096. Its totient is φ = 14343030.

The previous prime is 28686061. The next prime is 28686071. The reversal of 28686062 is 26068682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28686061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7171514 + ... + 7171517.

It is an arithmetic number, because the mean of its divisors is an integer number (10757274).

Almost surely, 2^28686062 is an apocalyptic number.

28686062 is a deficient number, since it is larger than the sum of its proper divisors (14343034).

28686062 is a wasteful number, since it uses less digits than its factorization.

28686062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343033.

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

The square root of 28686062 is about 5355.9370795408. The cubic root of 28686062 is about 306.1190175953.

The spelling of 28686062 in words is "twenty-eight million, six hundred eighty-six thousand, sixty-two".