28469846 has 4 divisors (see below), whose sum is σ = 42704772. Its totient is φ = 14234922.

The previous prime is 28469839. The next prime is 28469863. The reversal of 28469846 is 64896482.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28469846.

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 as a sum of consecutive naturals, namely, 7117460 + ... + 7117463.

It is an arithmetic number, because the mean of its divisors is an integer number (10676193).

Almost surely, 2^28469846 is an apocalyptic number.

28469846 is a deficient number, since it is larger than the sum of its proper divisors (14234926).

28469846 is a wasteful number, since it uses less digits than its factorization.

28469846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234925.

The product of its digits is 663552, while the sum is 47.

The square root of 28469846 is about 5335.7141977434. The cubic root of 28469846 is about 305.3479715697.

The spelling of 28469846 in words is "twenty-eight million, four hundred sixty-nine thousand, eight hundred forty-six".