28214486 has 8 divisors (see below), whose sum is σ = 42375744. Its totient is φ = 14089240.

The previous prime is 28214479. The next prime is 28214489. The reversal of 28214486 is 68441282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214489) 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 3 ways as a sum of consecutive naturals, for example, 6950 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (5296968).

Almost surely, 2^28214486 is an apocalyptic number.

28214486 is a deficient number, since it is larger than the sum of its proper divisors (14161258).

28214486 is a wasteful number, since it uses less digits than its factorization.

28214486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006.

The product of its digits is 24576, while the sum is 35.

The square root of 28214486 is about 5311.7309796337. The cubic root of 28214486 is about 304.4322898260.

The spelling of 28214486 in words is "twenty-eight million, two hundred fourteen thousand, four hundred eighty-six".