28469895 has 16 divisors (see below), whose sum is σ = 45633120. Its totient is φ = 15156864.

The previous prime is 28469879. The next prime is 28469899. The reversal of 28469895 is 59896482.

It is not a de Polignac number, because 28469895 - 2⁴ = 28469879 is a prime.

It is a super-2 number, since 2×28469895² = 1621069842622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28469899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9297 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (2852070).

Almost surely, 2^28469895 is an apocalyptic number.

28469895 is a deficient number, since it is larger than the sum of its proper divisors (17163225).

28469895 is a wasteful number, since it uses less digits than its factorization.

28469895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394.

The product of its digits is 1244160, while the sum is 51.

The square root of 28469895 is about 5335.7187894416. The cubic root of 28469895 is about 305.3481467497.

The spelling of 28469895 in words is "twenty-eight million, four hundred sixty-nine thousand, eight hundred ninety-five".