248809506 has 16 divisors (see below), whose sum is σ = 542857248. Its totient is φ = 75396800.

The previous prime is 248809499. The next prime is 248809511. The reversal of 248809506 is 605908842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884855 + ... + 1884986.

It is an arithmetic number, because the mean of its divisors is an integer number (33928578).

Almost surely, 2^248809506 is an apocalyptic number.

248809506 is an abundant number, since it is smaller than the sum of its proper divisors (294047742).

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

248809506 is a wasteful number, since it uses less digits than its factorization.

248809506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769857.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 248809506 is about 15773.6966498028. The cubic root of 248809506 is about 628.9589811851.

The spelling of 248809506 in words is "two hundred forty-eight million, eight hundred nine thousand, five hundred six".