286026356 has 48 divisors (see below), whose sum is σ = 626959872. Its totient is φ = 110920800.

The previous prime is 286026353. The next prime is 286026371. The reversal of 286026356 is 653620682.

It is a super-2 number, since 2×286026356² = 163622152653277472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286026353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67871 + ... + 71961.

It is an arithmetic number, because the mean of its divisors is an integer number (13061664).

Almost surely, 2^286026356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286026356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313479936).

286026356 is an abundant number, since it is smaller than the sum of its proper divisors (340933516).

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

286026356 is a wasteful number, since it uses less digits than its factorization.

286026356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 286026356 is about 16912.3137388117. The cubic root of 286026356 is about 658.8734654508.

The spelling of 286026356 in words is "two hundred eighty-six million, twenty-six thousand, three hundred fifty-six".