28948269 has 12 divisors (see below), whose sum is σ = 44899584. Its totient is φ = 16541784.

The previous prime is 28948247. The next prime is 28948273. The reversal of 28948269 is 96284982.

It is not a de Polignac number, because 28948269 - 2¹³ = 28940077 is a prime.

It is a super-2 number, since 2×28948269² = 1676004556192722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28948219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98317 + ... + 98610.

It is an arithmetic number, because the mean of its divisors is an integer number (3741632).

Almost surely, 2^28948269 is an apocalyptic number.

It is an amenable number.

28948269 is a deficient number, since it is larger than the sum of its proper divisors (15951315).

28948269 is a wasteful number, since it uses less digits than its factorization.

28948269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196944 (or 196937 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 28948269 is about 5380.3595604755. The cubic root of 28948269 is about 307.0488910524.

The spelling of 28948269 in words is "twenty-eight million, nine hundred forty-eight thousand, two hundred sixty-nine".