28979266 has 8 divisors (see below), whose sum is σ = 44205840. Its totient is φ = 14243988.

The previous prime is 28979261. The next prime is 28979267. The reversal of 28979266 is 66297982.

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 (28979261) 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, 122676 + ... + 122911.

It is an arithmetic number, because the mean of its divisors is an integer number (5525730).

Almost surely, 2^28979266 is an apocalyptic number.

28979266 is a deficient number, since it is larger than the sum of its proper divisors (15226574).

28979266 is a wasteful number, since it uses less digits than its factorization.

28979266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245648.

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

The square root of 28979266 is about 5383.2393593449. The cubic root of 28979266 is about 307.1584450921.

The spelling of 28979266 in words is "twenty-eight million, nine hundred seventy-nine thousand, two hundred sixty-six".