287379 has 12 divisors (see below), whose sum is σ = 426816. Its totient is φ = 186192.

The previous prime is 287347. The next prime is 287383. The reversal of 287379 is 973782.

287379 is a `hidden beast` number, since 287 + 379 = 666.

287379 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 287379 - 2⁵ = 287347 is a prime.

287379 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 287379.

It is not an unprimeable number, because it can be changed into a prime (287179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2²⁸⁷³⁷⁹ is an apocalyptic number.

287379 is a deficient number, since it is larger than the sum of its proper divisors (139437).

287379 is a wasteful number, since it uses less digits than its factorization.

287379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 903 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 287379 is about 536.0774197819. The cubic root of 287379 is about 65.9910456171.

It can be divided in two parts, 287 and 379, that added together give a palindrome (666).

The spelling of 287379 in words is "two hundred eighty-seven thousand, three hundred seventy-nine".