248664290 has 16 divisors (see below), whose sum is σ = 511538112. Its totient is φ = 85256304.

The previous prime is 248664281. The next prime is 248664301. The reversal of 248664290 is 92466842.

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 7 ways as a sum of consecutive naturals, for example, 1776104 + ... + 1776243.

It is an arithmetic number, because the mean of its divisors is an integer number (31971132).

Almost surely, 2^248664290 is an apocalyptic number.

248664290 is an abundant number, since it is smaller than the sum of its proper divisors (262873822).

248664290 is a wasteful number, since it uses less digits than its factorization.

248664290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552361.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 248664290 is about 15769.0928718173. The cubic root of 248664290 is about 628.8365948078.

The spelling of 248664290 in words is "two hundred forty-eight million, six hundred sixty-four thousand, two hundred ninety".