28342382 has 4 divisors (see below), whose sum is σ = 42513576. Its totient is φ = 14171190.

The previous prime is 28342373. The next prime is 28342393. The reversal of 28342382 is 28324382.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7085594 + ... + 7085597.

It is an arithmetic number, because the mean of its divisors is an integer number (10628394).

Almost surely, 2^28342382 is an apocalyptic number.

28342382 is a deficient number, since it is larger than the sum of its proper divisors (14171194).

28342382 is a wasteful number, since it uses less digits than its factorization.

28342382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14171193.

The product of its digits is 18432, while the sum is 32.

The square root of 28342382 is about 5323.7563806020. The cubic root of 28342382 is about 304.8915927549.

The spelling of 28342382 in words is "twenty-eight million, three hundred forty-two thousand, three hundred eighty-two".