28267486 has 16 divisors (see below), whose sum is σ = 45864000. Its totient is φ = 12989088.

The previous prime is 28267471. The next prime is 28267487. The reversal of 28267486 is 68476282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28267487) 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 in 7 ways as a sum of consecutive naturals, for example, 3940 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (2866500).

Almost surely, 2^28267486 is an apocalyptic number.

28267486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28267486 is a deficient number, since it is larger than the sum of its proper divisors (17596514).

28267486 is a wasteful number, since it uses less digits than its factorization.

28267486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803.

The product of its digits is 258048, while the sum is 43.

The square root of 28267486 is about 5316.7175964123. The cubic root of 28267486 is about 304.6227926635.

The spelling of 28267486 in words is "twenty-eight million, two hundred sixty-seven thousand, four hundred eighty-six".