248649885 has 32 divisors (see below), whose sum is σ = 482232960. Its totient is φ = 120556800.

The previous prime is 248649839. The next prime is 248649889. The reversal of 248649885 is 588946842.

248649885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248649885 - 2⁸ = 248649629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248649889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82236 + ... + 85205.

It is an arithmetic number, because the mean of its divisors is an integer number (15069780).

Almost surely, 2^248649885 is an apocalyptic number.

It is an amenable number.

248649885 is a deficient number, since it is larger than the sum of its proper divisors (233583075).

248649885 is a wasteful number, since it uses less digits than its factorization.

248649885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167466 (or 167460 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 248649885 is about 15768.6361173058. The cubic root of 248649885 is about 628.8244518418.

The spelling of 248649885 in words is "two hundred forty-eight million, six hundred forty-nine thousand, eight hundred eighty-five".