28269411 has 8 divisors (see below), whose sum is σ = 37911120. Its totient is φ = 18736992.

The previous prime is 28269401. The next prime is 28269491. The reversal of 28269411 is 11496282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28269411 - 2⁵ = 28269379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28269401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26716 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (4738890).

Almost surely, 2^28269411 is an apocalyptic number.

28269411 is a deficient number, since it is larger than the sum of its proper divisors (9641709).

28269411 is a wasteful number, since it uses less digits than its factorization.

28269411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54645.

The product of its digits is 6912, while the sum is 33.

The square root of 28269411 is about 5316.8986260789. The cubic root of 28269411 is about 304.6297073871.

It can be divided in two parts, 28269 and 411, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 28269411 in words is "twenty-eight million, two hundred sixty-nine thousand, four hundred eleven".