28048858 has 16 divisors (see below), whose sum is σ = 43704360. Its totient is φ = 13484800.

The previous prime is 28048843. The next prime is 28048859. The reversal of 28048858 is 85884082.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27279729 + 769129 = 5223^2 + 877^2 .

It is not an unprimeable number, because it can be changed into a prime (28048859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15438 + ... + 17158.

Almost surely, 2^28048858 is an apocalyptic number.

28048858 is a deficient number, since it is larger than the sum of its proper divisors (15655502).

28048858 is a wasteful number, since it uses less digits than its factorization.

28048858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 163840, while the sum is 43.

The square root of 28048858 is about 5296.1172570101. The cubic root of 28048858 is about 303.8354155852.

The spelling of 28048858 in words is "twenty-eight million, forty-eight thousand, eight hundred fifty-eight".