248915685 has 16 divisors (see below), whose sum is σ = 404795520. Its totient is φ = 130578240.

The previous prime is 248915651. The next prime is 248915743. The reversal of 248915685 is 586519842.

It is not a de Polignac number, because 248915685 - 2⁶ = 248915621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135105 + ... + 136934.

It is an arithmetic number, because the mean of its divisors is an integer number (25299720).

Almost surely, 2^248915685 is an apocalyptic number.

It is an amenable number.

248915685 is a deficient number, since it is larger than the sum of its proper divisors (155879835).

248915685 is a wasteful number, since it uses less digits than its factorization.

248915685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272108.

The product of its digits is 691200, while the sum is 48.

The square root of 248915685 is about 15777.0619888495. The cubic root of 248915685 is about 629.0484374914.

The spelling of 248915685 in words is "two hundred forty-eight million, nine hundred fifteen thousand, six hundred eighty-five".