28345046 has 16 divisors (see below), whose sum is σ = 43309728. Its totient is φ = 13910400.

The previous prime is 28345021. The next prime is 28345061. The reversal of 28345046 is 64054382.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61256 + ... + 61716.

It is an arithmetic number, because the mean of its divisors is an integer number (2706858).

Almost surely, 2^28345046 is an apocalyptic number.

28345046 is a deficient number, since it is larger than the sum of its proper divisors (14964682).

28345046 is a wasteful number, since it uses less digits than its factorization.

28345046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 28345046 is about 5324.0065740004. The cubic root of 28345046 is about 304.9011450661.

The spelling of 28345046 in words is "twenty-eight million, three hundred forty-five thousand, forty-six".