28468895 has 24 divisors (see below), whose sum is σ = 42286176. Its totient is φ = 18016128.

The previous prime is 28468889. The next prime is 28468919. The reversal of 28468895 is 59886482.

It is not a de Polignac number, because 28468895 - 2⁶ = 28468831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3509 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (1761924).

Almost surely, 2^28468895 is an apocalyptic number.

28468895 is a deficient number, since it is larger than the sum of its proper divisors (13817281).

28468895 is a wasteful number, since it uses less digits than its factorization.

28468895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4838 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 28468895 is about 5335.6250805318. The cubic root of 28468895 is about 305.3445716080.

It can be divided in two parts, 2846 and 8895, that multiplied together give a triangular number (25315170 = T₇₁₁₅).

The spelling of 28468895 in words is "twenty-eight million, four hundred sixty-eight thousand, eight hundred ninety-five".