248236985 has 8 divisors (see below), whose sum is σ = 299198016. Its totient is φ = 197713840.

The previous prime is 248236973. The next prime is 248236991. The reversal of 248236985 is 589632842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 248236985 - 2⁶ = 248236921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108221 + ... + 110490.

It is an arithmetic number, because the mean of its divisors is an integer number (37399752).

Almost surely, 2^248236985 is an apocalyptic number.

It is an amenable number.

248236985 is a deficient number, since it is larger than the sum of its proper divisors (50961031).

248236985 is a wasteful number, since it uses less digits than its factorization.

248236985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218943.

The product of its digits is 829440, while the sum is 47.

The square root of 248236985 is about 15755.5382326343. The cubic root of 248236985 is about 628.4761904482.

The spelling of 248236985 in words is "two hundred forty-eight million, two hundred thirty-six thousand, nine hundred eighty-five".