28418266 has 8 divisors (see below), whose sum is σ = 42655104. Its totient is φ = 14199900.

The previous prime is 28418263. The next prime is 28418293. The reversal of 28418266 is 66281482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28418263) 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, 261 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (5331888).

Almost surely, 2^28418266 is an apocalyptic number.

28418266 is a deficient number, since it is larger than the sum of its proper divisors (14236838).

28418266 is a wasteful number, since it uses less digits than its factorization.

28418266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236.

The product of its digits is 36864, while the sum is 37.

The square root of 28418266 is about 5330.8785392278. The cubic root of 28418266 is about 305.1634562348.

The spelling of 28418266 in words is "twenty-eight million, four hundred eighteen thousand, two hundred sixty-six".