28316546 has 4 divisors (see below), whose sum is σ = 42474822. Its totient is φ = 14158272.

The previous prime is 28316521. The next prime is 28316551. The reversal of 28316546 is 64561382.

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

It can be written as a sum of positive squares in only one way, i.e., 23629321 + 4687225 = 4861^2 + 2165^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7079135 + ... + 7079138.

Almost surely, 2^28316546 is an apocalyptic number.

28316546 is a deficient number, since it is larger than the sum of its proper divisors (14158276).

28316546 is a wasteful number, since it uses less digits than its factorization.

28316546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158275.

The product of its digits is 34560, while the sum is 35.

The square root of 28316546 is about 5321.3293451919. The cubic root of 28316546 is about 304.7989214811.

The spelling of 28316546 in words is "twenty-eight million, three hundred sixteen thousand, five hundred forty-six".