248791890 has 32 divisors (see below), whose sum is σ = 628528320. Its totient is φ = 62852544.

The previous prime is 248791883. The next prime is 248791927. The reversal of 248791890 is 98197842.

248791890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217669 + ... + 218808.

It is an arithmetic number, because the mean of its divisors is an integer number (19641510).

Almost surely, 2^248791890 is an apocalyptic number.

248791890 is an abundant number, since it is smaller than the sum of its proper divisors (379736430).

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

248791890 is a wasteful number, since it uses less digits than its factorization.

248791890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436506.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 248791890 is about 15773.1382419606. The cubic root of 248791890 is about 628.9441371610.

The spelling of 248791890 in words is "two hundred forty-eight million, seven hundred ninety-one thousand, eight hundred ninety".