248099905 has 8 divisors (see below), whose sum is σ = 297868032. Its totient is φ = 198381168.

The previous prime is 248099899. The next prime is 248099927. The reversal of 248099905 is 509990842.

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

It is a cyclic number.

It is not a de Polignac number, because 248099905 - 2¹³ = 248091713 is a prime.

It is a super-2 number, since 2×248099905² = 123107125722018050, which contains 22 as substring.

It is a Duffinian number.

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, 207 + ... + 22276.

It is an arithmetic number, because the mean of its divisors is an integer number (37233504).

Almost surely, 2^248099905 is an apocalyptic number.

It is an amenable number.

248099905 is a deficient number, since it is larger than the sum of its proper divisors (49768127).

248099905 is a wasteful number, since it uses less digits than its factorization.

248099905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24695.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 248099905 is about 15751.1874155570. The cubic root of 248099905 is about 628.3604846452.

The spelling of 248099905 in words is "two hundred forty-eight million, ninety-nine thousand, nine hundred five".