248948690 has 8 divisors (see below), whose sum is σ = 448107660. Its totient is φ = 99579472.

The previous prime is 248948683. The next prime is 248948701. The reversal of 248948690 is 96849842.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243890689 + 5058001 = 15617^2 + 2249^2 .

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

It is a super-2 number, since 2×248948690² = 123950900505432200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447425 + ... + 12447444.

Almost surely, 2^248948690 is an apocalyptic number.

248948690 is a deficient number, since it is larger than the sum of its proper divisors (199158970).

248948690 is a wasteful number, since it uses less digits than its factorization.

248948690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894876.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 248948690 is about 15778.1079347303. The cubic root of 248948690 is about 629.0762391760.

The spelling of 248948690 in words is "two hundred forty-eight million, nine hundred forty-eight thousand, six hundred ninety".