28913266 has 16 divisors (see below), whose sum is σ = 45059328. Its totient is φ = 13899600.

The previous prime is 28913263. The next prime is 28913273. The reversal of 28913266 is 66231982.

It is not an unprimeable number, because it can be changed into a prime (28913263) 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, 8676 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (2816208).

Almost surely, 2^28913266 is an apocalyptic number.

28913266 is a deficient number, since it is larger than the sum of its proper divisors (16146062).

28913266 is a wasteful number, since it uses less digits than its factorization.

28913266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057.

The product of its digits is 31104, while the sum is 37.

The square root of 28913266 is about 5377.1057270617. The cubic root of 28913266 is about 306.9250843738.

The spelling of 28913266 in words is "twenty-eight million, nine hundred thirteen thousand, two hundred sixty-six".