28963315 has 16 divisors (see below), whose sum is σ = 37850400. Its totient is φ = 21192192.

The previous prime is 28963313. The next prime is 28963321. The reversal of 28963315 is 51336982.

It is a cyclic number.

It is not a de Polignac number, because 28963315 - 2¹ = 28963313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28963313) 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, 2502 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (2365650).

Almost surely, 2^28963315 is an apocalyptic number.

28963315 is a deficient number, since it is larger than the sum of its proper divisors (8887085).

28963315 is a wasteful number, since it uses less digits than its factorization.

28963315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566.

The product of its digits is 38880, while the sum is 37.

The square root of 28963315 is about 5381.7576125277. The cubic root of 28963315 is about 307.1020785440.

The spelling of 28963315 in words is "twenty-eight million, nine hundred sixty-three thousand, three hundred fifteen".