28334042 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 12460720.

The previous prime is 28334027. The next prime is 28334051. The reversal of 28334042 is 24043382.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107603 + ... + 107865.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^28334042 is an apocalyptic number.

28334042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28334042 is a deficient number, since it is larger than the sum of its proper divisors (19566118).

28334042 is a wasteful number, since it uses less digits than its factorization.

28334042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 28334042 is about 5322.9730414497. The cubic root of 28334042 is about 304.8616841262.

It can be divided in two parts, 283340 and 42, that added together give a palindrome (283382).

The spelling of 28334042 in words is "twenty-eight million, three hundred thirty-four thousand, forty-two".