287326 has 16 divisors (see below), whose sum is σ = 476784. Its totient is φ = 129024.

The previous prime is 287321. The next prime is 287327. The reversal of 287326 is 623782.

It is a d-powerful number, because it can be written as 2¹⁰ + 8⁴ + 3⁹ + 7³ + 2¹⁸ + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 287294 and 287303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (29799).

2²⁸⁷³²⁶ is an apocalyptic number.

287326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

287326 is a deficient number, since it is larger than the sum of its proper divisors (189458).

287326 is a wasteful number, since it uses less digits than its factorization.

287326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its digits is 4032, while the sum is 28.

The square root of 287326 is about 536.0279843441. The cubic root of 287326 is about 65.9869885584.

The spelling of 287326 in words is "two hundred eighty-seven thousand, three hundred twenty-six".