283948117 has 4 divisors (see below), whose sum is σ = 285389676. Its totient is φ = 282506560.

The previous prime is 283948111. The next prime is 283948123. The reversal of 283948117 is 711849382.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (283948111) and next prime (283948123).

It can be written as a sum of positive squares in 2 ways, for example, as 222576561 + 61371556 = 14919^2 + 7834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283948117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283948111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720484 + ... + 720877.

It is an arithmetic number, because the mean of its divisors is an integer number (71347419).

Almost surely, 2^283948117 is an apocalyptic number.

It is an amenable number.

283948117 is a deficient number, since it is larger than the sum of its proper divisors (1441559).

283948117 is a wasteful number, since it uses less digits than its factorization.

283948117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441558.

The product of its digits is 96768, while the sum is 43.

The square root of 283948117 is about 16850.7601312226. The cubic root of 283948117 is about 657.2738152250.

The spelling of 283948117 in words is "two hundred eighty-three million, nine hundred forty-eight thousand, one hundred seventeen".