28769296 has 10 divisors (see below), whose sum is σ = 55740542. Its totient is φ = 14384640.

The previous prime is 28769291. The next prime is 28769329. The reversal of 28769296 is 69296782.

It can be written as a sum of positive squares in only one way, i.e., 23386896 + 5382400 = 4836^2 + 2320^2 .

It is not an unprimeable number, because it can be changed into a prime (28769291) 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 as a sum of consecutive naturals, namely, 899025 + ... + 899056.

Almost surely, 2^28769296 is an apocalyptic number.

It is an amenable number.

28769296 is a deficient number, since it is larger than the sum of its proper divisors (26971246).

28769296 is a wasteful number, since it uses less digits than its factorization.

28769296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798089 (or 1798083 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 28769296 is about 5363.7017068439. The cubic root of 28769296 is about 306.4148047574.

The spelling of 28769296 in words is "twenty-eight million, seven hundred sixty-nine thousand, two hundred ninety-six".