28941386 has 8 divisors (see below), whose sum is σ = 43607424. Its totient is φ = 14405580.

The previous prime is 28941379. The next prime is 28941397. The reversal of 28941386 is 68314982.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 32000 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (5450928).

Almost surely, 2^28941386 is an apocalyptic number.

28941386 is a deficient number, since it is larger than the sum of its proper divisors (14666038).

28941386 is a wasteful number, since it uses less digits than its factorization.

28941386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65116.

The product of its digits is 82944, while the sum is 41.

The square root of 28941386 is about 5379.7198811834. The cubic root of 28941386 is about 307.0245535575.

The spelling of 28941386 in words is "twenty-eight million, nine hundred forty-one thousand, three hundred eighty-six".