28969595 has 4 divisors (see below), whose sum is σ = 34763520. Its totient is φ = 23175672.

The previous prime is 28969583. The next prime is 28969597. The reversal of 28969595 is 59596982.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28969595 - 2¹⁸ = 28707451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28969597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896955 + ... + 2896964.

It is an arithmetic number, because the mean of its divisors is an integer number (8690880).

Almost surely, 2^28969595 is an apocalyptic number.

28969595 is a deficient number, since it is larger than the sum of its proper divisors (5793925).

28969595 is an equidigital number, since it uses as much as digits as its factorization.

28969595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793924.

The product of its digits is 1749600, while the sum is 53.

The square root of 28969595 is about 5382.3410334166. The cubic root of 28969595 is about 307.1242728460.

The spelling of 28969595 in words is "twenty-eight million, nine hundred sixty-nine thousand, five hundred ninety-five".