28526283 has 32 divisors (see below), whose sum is σ = 44009280. Its totient is φ = 18247680.

The previous prime is 28526269. The next prime is 28526287. The reversal of 28526283 is 38262582.

28526283 is a `hidden beast` number, since 28 + 5 + 2 + 628 + 3 = 666.

It is not a de Polignac number, because 28526283 - 2¹⁸ = 28264139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28526287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80635 + ... + 80987.

It is an arithmetic number, because the mean of its divisors is an integer number (1375290).

Almost surely, 2^28526283 is an apocalyptic number.

28526283 is a deficient number, since it is larger than the sum of its proper divisors (15482997).

28526283 is a wasteful number, since it uses less digits than its factorization.

28526283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28526283 is about 5341.0001872309. Note that the first 3 decimals coincide. The cubic root of 28526283 is about 305.5496065300.

The spelling of 28526283 in words is "twenty-eight million, five hundred twenty-six thousand, two hundred eighty-three".