28363269 has 8 divisors (see below), whose sum is σ = 41255712. Its totient is φ = 17189840.

The previous prime is 28363241. The next prime is 28363277. The reversal of 28363269 is 96236382.

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

It is a cyclic number.

It is not a de Polignac number, because 28363269 - 2¹³ = 28355077 is a prime.

It is a super-2 number, since 2×28363269² = 1608950056732722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28363229) 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, 429714 + ... + 429779.

It is an arithmetic number, because the mean of its divisors is an integer number (5156964).

Almost surely, 2^28363269 is an apocalyptic number.

It is an amenable number.

28363269 is a deficient number, since it is larger than the sum of its proper divisors (12892443).

28363269 is a wasteful number, since it uses less digits than its factorization.

28363269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859507.

The product of its digits is 93312, while the sum is 39.

The square root of 28363269 is about 5325.7176981136. The cubic root of 28363269 is about 304.9664712762.

It can be divided in two parts, 2836 and 3269, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 28363269 in words is "twenty-eight million, three hundred sixty-three thousand, two hundred sixty-nine".