286138348 has 6 divisors (see below), whose sum is σ = 500742116. Its totient is φ = 143069172.

The previous prime is 286138343. The next prime is 286138351. The reversal of 286138348 is 843831682.

It is not an unprimeable number, because it can be changed into a prime (286138343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35767290 + ... + 35767297.

Almost surely, 2^286138348 is an apocalyptic number.

It is an amenable number.

286138348 is a deficient number, since it is larger than the sum of its proper divisors (214603768).

286138348 is a wasteful number, since it uses less digits than its factorization.

286138348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71534591 (or 71534589 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 286138348 is about 16915.6243751155. The cubic root of 286138348 is about 658.9594469547.

It can be divided in two parts, 2861 and 38348, that added together give a square (41209 = 203²).

The spelling of 286138348 in words is "two hundred eighty-six million, one hundred thirty-eight thousand, three hundred forty-eight".