28975546 has 8 divisors (see below), whose sum is σ = 43486164. Its totient is φ = 14480160.

The previous prime is 28975537. The next prime is 28975567. The reversal of 28975546 is 64557982.

It can be written as a sum of positive squares in 2 ways, for example, as 28740321 + 235225 = 5361^2 + 485^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28975496 and 28975505.

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, 5526 + ... + 9406.

Almost surely, 2^28975546 is an apocalyptic number.

28975546 is a deficient number, since it is larger than the sum of its proper divisors (14510618).

28975546 is a wasteful number, since it uses less digits than its factorization.

28975546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616.

The product of its digits is 604800, while the sum is 46.

The square root of 28975546 is about 5382.8938313885. The cubic root of 28975546 is about 307.1453014614.

The spelling of 28975546 in words is "twenty-eight million, nine hundred seventy-five thousand, five hundred forty-six".