28683622 has 16 divisors (see below), whose sum is σ = 48978432. Its totient is φ = 12470920.

The previous prime is 28683601. The next prime is 28683659. The reversal of 28683622 is 22638682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27838 + ... + 28849.

It is an arithmetic number, because the mean of its divisors is an integer number (3061152).

Almost surely, 2^28683622 is an apocalyptic number.

28683622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28683622 is a deficient number, since it is larger than the sum of its proper divisors (20294810).

28683622 is a wasteful number, since it uses less digits than its factorization.

28683622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56723.

The product of its digits is 55296, while the sum is 37.

The square root of 28683622 is about 5355.7092900941. The cubic root of 28683622 is about 306.1103379843.

The spelling of 28683622 in words is "twenty-eight million, six hundred eighty-three thousand, six hundred twenty-two".