28842446 has 8 divisors (see below), whose sum is σ = 43856544. Its totient is φ = 14223600.

The previous prime is 28842439. The next prime is 28842461. The reversal of 28842446 is 64424882.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98630 + ... + 98921.

It is an arithmetic number, because the mean of its divisors is an integer number (5482068).

Almost surely, 2^28842446 is an apocalyptic number.

28842446 is a deficient number, since it is larger than the sum of its proper divisors (15014098).

28842446 is a wasteful number, since it uses less digits than its factorization.

28842446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197626.

The product of its digits is 98304, while the sum is 38.

The square root of 28842446 is about 5370.5163625112. The cubic root of 28842446 is about 306.6742859376.

The spelling of 28842446 in words is "twenty-eight million, eight hundred forty-two thousand, four hundred forty-six".