28516334 has 32 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 11107320.

The previous prime is 28516331. The next prime is 28516337. The reversal of 28516334 is 43361582.

It is an interprime number because it is at equal distance from previous prime (28516331) and next prime (28516337).

It is a self number, because there is not a number n which added to its sum of digits gives 28516334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28516331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5657 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^28516334 is an apocalyptic number.

28516334 is a deficient number, since it is larger than the sum of its proper divisors (25915666).

28516334 is a wasteful number, since it uses less digits than its factorization.

28516334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3799 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 28516334 is about 5340.0687261495. The cubic root of 28516334 is about 305.5140806198.

The spelling of 28516334 in words is "twenty-eight million, five hundred sixteen thousand, three hundred thirty-four".