28264382 has 4 divisors (see below), whose sum is σ = 42396576. Its totient is φ = 14132190.

The previous prime is 28264367. The next prime is 28264391. The reversal of 28264382 is 28346282.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066094 + ... + 7066097.

It is an arithmetic number, because the mean of its divisors is an integer number (10599144).

Almost surely, 2^28264382 is an apocalyptic number.

28264382 is a deficient number, since it is larger than the sum of its proper divisors (14132194).

28264382 is a wasteful number, since it uses less digits than its factorization.

28264382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14132193.

The product of its digits is 36864, while the sum is 35.

The square root of 28264382 is about 5316.4256789689. The cubic root of 28264382 is about 304.6116422348.

The spelling of 28264382 in words is "twenty-eight million, two hundred sixty-four thousand, three hundred eighty-two".