28047862 has 8 divisors (see below), whose sum is σ = 42172992. Its totient is φ = 13990200.

The previous prime is 28047829. The next prime is 28047863. The reversal of 28047862 is 26874082.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28047863) 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, 15814 + ... + 17497.

It is an arithmetic number, because the mean of its divisors is an integer number (5271624).

Almost surely, 2^28047862 is an apocalyptic number.

28047862 is a deficient number, since it is larger than the sum of its proper divisors (14125130).

28047862 is a wasteful number, since it uses less digits than its factorization.

28047862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 28047862 is about 5296.0232250246. The cubic root of 28047862 is about 303.8318191981.

The spelling of 28047862 in words is "twenty-eight million, forty-seven thousand, eight hundred sixty-two".