28973846 has 16 divisors (see below), whose sum is σ = 48063888. Its totient is φ = 12988800.

The previous prime is 28973843. The next prime is 28973869. The reversal of 28973846 is 64837982.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 28973846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28973843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7415 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (3003993).

Almost surely, 2^28973846 is an apocalyptic number.

28973846 is a deficient number, since it is larger than the sum of its proper divisors (19090042).

28973846 is a wasteful number, since it uses less digits than its factorization.

28973846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127.

The product of its digits is 580608, while the sum is 47.

The square root of 28973846 is about 5382.7359214437. The cubic root of 28973846 is about 307.1392945890.

The spelling of 28973846 in words is "twenty-eight million, nine hundred seventy-three thousand, eight hundred forty-six".