28673446 has 16 divisors (see below), whose sum is σ = 44388864. Its totient is φ = 13881024.

The previous prime is 28673443. The next prime is 28673453. The reversal of 28673446 is 64437682.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28673399 and 28673408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28673443) 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, 16411 + ... + 18073.

It is an arithmetic number, because the mean of its divisors is an integer number (2774304).

Almost surely, 2^28673446 is an apocalyptic number.

28673446 is a deficient number, since it is larger than the sum of its proper divisors (15715418).

28673446 is a wasteful number, since it uses less digits than its factorization.

28673446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935.

The product of its digits is 193536, while the sum is 40.

The square root of 28673446 is about 5354.7591915977. The cubic root of 28673446 is about 306.0741344296.

The spelling of 28673446 in words is "twenty-eight million, six hundred seventy-three thousand, four hundred forty-six".