286240532 has 6 divisors (see below), whose sum is σ = 500920938. Its totient is φ = 143120264.

The previous prime is 286240499. The next prime is 286240541. The reversal of 286240532 is 235042682.

It can be written as a sum of positive squares in only one way, i.e., 167081476 + 119159056 = 12926^2 + 10916^2 .

It is a super-4 number, since 4×286240532⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35780063 + ... + 35780070.

It is an arithmetic number, because the mean of its divisors is an integer number (83486823).

Almost surely, 2^286240532 is an apocalyptic number.

It is an amenable number.

286240532 is a deficient number, since it is larger than the sum of its proper divisors (214680406).

286240532 is a wasteful number, since it uses less digits than its factorization.

286240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71560137 (or 71560135 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 286240532 is about 16918.6445083523. The cubic root of 286240532 is about 659.0378788260.

The spelling of 286240532 in words is "two hundred eighty-six million, two hundred forty thousand, five hundred thirty-two".