28516366 has 8 divisors (see below), whose sum is σ = 44634384. Its totient is φ = 13638240.

The previous prime is 28516349. The next prime is 28516391. The reversal of 28516366 is 66361582.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309915 + ... + 310006.

It is an arithmetic number, because the mean of its divisors is an integer number (5579298).

Almost surely, 2^28516366 is an apocalyptic number.

28516366 is a deficient number, since it is larger than the sum of its proper divisors (16118018).

28516366 is a wasteful number, since it uses less digits than its factorization.

28516366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619946.

The product of its digits is 51840, while the sum is 37.

The square root of 28516366 is about 5340.0717223648. The cubic root of 28516366 is about 305.5141948987.

It can be divided in two parts, 28516 and 366, that added together give a palindrome (28882).

The spelling of 28516366 in words is "twenty-eight million, five hundred sixteen thousand, three hundred sixty-six".