286537056 has 96 divisors (see below), whose sum is σ = 813415680. Its totient is φ = 87796224.

The previous prime is 286537049. The next prime is 286537063. The reversal of 286537056 is 650735682.

It is an interprime number because it is at equal distance from previous prime (286537049) and next prime (286537063).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×286537056² = 164206968922294272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 286536999 and 286537017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547611 + ... + 548133.

It is an arithmetic number, because the mean of its divisors is an integer number (8473080).

Almost surely, 2^286537056 is an apocalyptic number.

286537056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286537056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406707840).

286537056 is an abundant number, since it is smaller than the sum of its proper divisors (526878624).

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

286537056 is a wasteful number, since it uses less digits than its factorization.

286537056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 286537056 is about 16927.4054716014. The cubic root of 286537056 is about 659.2653717729.

The spelling of 286537056 in words is "two hundred eighty-six million, five hundred thirty-seven thousand, fifty-six".