28983622 has 4 divisors (see below), whose sum is σ = 43475436. Its totient is φ = 14491810.

The previous prime is 28983571. The next prime is 28983641. The reversal of 28983622 is 22638982.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7245904 + ... + 7245907.

It is an arithmetic number, because the mean of its divisors is an integer number (10868859).

Almost surely, 2^28983622 is an apocalyptic number.

28983622 is a deficient number, since it is larger than the sum of its proper divisors (14491814).

28983622 is a wasteful number, since it uses less digits than its factorization.

28983622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491813.

The product of its digits is 82944, while the sum is 40.

The square root of 28983622 is about 5383.6439332482. The cubic root of 28983622 is about 307.1738344300.

The spelling of 28983622 in words is "twenty-eight million, nine hundred eighty-three thousand, six hundred twenty-two".