28277342 has 8 divisors (see below), whose sum is σ = 42460176. Its totient is φ = 14123952.

The previous prime is 28277329. The next prime is 28277357. The reversal of 28277342 is 24377282.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 8909.

It is an arithmetic number, because the mean of its divisors is an integer number (5307522).

Almost surely, 2^28277342 is an apocalyptic number.

28277342 is a deficient number, since it is larger than the sum of its proper divisors (14182834).

28277342 is a wasteful number, since it uses less digits than its factorization.

28277342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722.

The product of its digits is 37632, while the sum is 35.

The square root of 28277342 is about 5317.6444033049. The cubic root of 28277342 is about 304.6581927384.

The spelling of 28277342 in words is "twenty-eight million, two hundred seventy-seven thousand, three hundred forty-two".