28247862 has 8 divisors (see below), whose sum is σ = 56495736. Its totient is φ = 9415952.

The previous prime is 28247833. The next prime is 28247881. The reversal of 28247862 is 26874282.

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

28247862 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28247862.

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, 2353983 + ... + 2353994.

It is an arithmetic number, because the mean of its divisors is an integer number (7061967).

Almost surely, 2^28247862 is an apocalyptic number.

28247862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28247862 is a wasteful number, since it uses less digits than its factorization.

28247862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707982.

The product of its digits is 86016, while the sum is 39.

The square root of 28247862 is about 5314.8717764401. The cubic root of 28247862 is about 304.5522840756.

The spelling of 28247862 in words is "twenty-eight million, two hundred forty-seven thousand, eight hundred sixty-two".