28754276 has 12 divisors (see below), whose sum is σ = 53280108. Its totient is φ = 13531392.

The previous prime is 28754273. The next prime is 28754279. The reversal of 28754276 is 67245782.

It is an interprime number because it is at equal distance from previous prime (28754273) and next prime (28754279).

It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 12432676 = 4040^2 + 3526^2 .

It is not an unprimeable number, because it can be changed into a prime (28754273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211361 + ... + 211496.

It is an arithmetic number, because the mean of its divisors is an integer number (4440009).

Almost surely, 2^28754276 is an apocalyptic number.

It is an amenable number.

28754276 is a deficient number, since it is larger than the sum of its proper divisors (24525832).

28754276 is a wasteful number, since it uses less digits than its factorization.

28754276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422878 (or 422876 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 28754276 is about 5362.3013716128. The cubic root of 28754276 is about 306.3614706805.

The spelling of 28754276 in words is "twenty-eight million, seven hundred fifty-four thousand, two hundred seventy-six".