28413286 has 16 divisors (see below), whose sum is σ = 47485440. Its totient is φ = 12639880.

The previous prime is 28413269. The next prime is 28413289. The reversal of 28413286 is 68231482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28413289) 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, 12706 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (2967840).

Almost surely, 2^28413286 is an apocalyptic number.

28413286 is a deficient number, since it is larger than the sum of its proper divisors (19072154).

28413286 is a wasteful number, since it uses less digits than its factorization.

28413286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27539.

The product of its digits is 18432, while the sum is 34.

The square root of 28413286 is about 5330.4114287736. The cubic root of 28413286 is about 305.1456296393.

It can be divided in two parts, 28 and 413286, that added together give a palindrome (413314).

The spelling of 28413286 in words is "twenty-eight million, four hundred thirteen thousand, two hundred eighty-six".