286338648 has 32 divisors (see below), whose sum is σ = 729356400. Its totient is φ = 93644928.

The previous prime is 286338601. The next prime is 286338659. The reversal of 286338648 is 846833682.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 286338597 and 286338606.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 111283 + ... + 113826.

Almost surely, 2^286338648 is an apocalyptic number.

It is an amenable number.

286338648 is an abundant number, since it is smaller than the sum of its proper divisors (443017752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286338648 is a wasteful number, since it uses less digits than its factorization.

286338648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225171 (or 225167 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 286338648 is about 16921.5439011929. The cubic root of 286338648 is about 659.1131707181.

The spelling of 286338648 in words is "two hundred eighty-six million, three hundred thirty-eight thousand, six hundred forty-eight".