286642948 has 6 divisors (see below), whose sum is σ = 501625166. Its totient is φ = 143321472.

The previous prime is 286642913. The next prime is 286642963. The reversal of 286642948 is 849246682.

It can be written as a sum of positive squares in only one way, i.e., 216619524 + 70023424 = 14718^2 + 8368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35830365 + ... + 35830372.

Almost surely, 2^286642948 is an apocalyptic number.

It is an amenable number.

286642948 is a deficient number, since it is larger than the sum of its proper divisors (214982218).

286642948 is a wasteful number, since it uses less digits than its factorization.

286642948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71660741 (or 71660739 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 286642948 is about 16930.5330099203. The cubic root of 286642948 is about 659.3465739878.

The spelling of 286642948 in words is "two hundred eighty-six million, six hundred forty-two thousand, nine hundred forty-eight".