28916595 has 20 divisors (see below), whose sum is σ = 51836400. Its totient is φ = 15421968.

The previous prime is 28916593. The next prime is 28916617. The reversal of 28916595 is 59561982.

It is not a de Polignac number, because 28916595 - 2¹ = 28916593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28916595.

It is not an unprimeable number, because it can be changed into a prime (28916593) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35295 + ... + 36104.

It is an arithmetic number, because the mean of its divisors is an integer number (2591820).

Almost surely, 2^28916595 is an apocalyptic number.

28916595 is a deficient number, since it is larger than the sum of its proper divisors (22919805).

28916595 is an equidigital number, since it uses as much as digits as its factorization.

28916595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71416 (or 71407 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 28916595 is about 5377.4152712990. The cubic root of 28916595 is about 306.9368634466.

The spelling of 28916595 in words is "twenty-eight million, nine hundred sixteen thousand, five hundred ninety-five".