28862270 has 8 divisors (see below), whose sum is σ = 51952104. Its totient is φ = 11544904.

The previous prime is 28862261. The next prime is 28862293. The reversal of 28862270 is 7226882.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28862270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443104 + ... + 1443123.

It is an arithmetic number, because the mean of its divisors is an integer number (6494013).

Almost surely, 2^28862270 is an apocalyptic number.

28862270 is a deficient number, since it is larger than the sum of its proper divisors (23089834).

28862270 is a wasteful number, since it uses less digits than its factorization.

28862270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886234.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 28862270 is about 5372.3616780705. The cubic root of 28862270 is about 306.7445310053.

The spelling of 28862270 in words is "twenty-eight million, eight hundred sixty-two thousand, two hundred seventy".