287374 has 4 divisors (see below), whose sum is σ = 431064. Its totient is φ = 143686.

The previous prime is 287347. The next prime is 287383. The reversal of 287374 is 473782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473782 = 2 ⋅236891.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 71842 + ... + 71845.

It is an arithmetic number, because the mean of its divisors is an integer number (107766).

2²⁸⁷³⁷⁴ is an apocalyptic number.

287374 is a deficient number, since it is larger than the sum of its proper divisors (143690).

287374 is a wasteful number, since it uses less digits than its factorization.

287374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143689.

The product of its digits is 9408, while the sum is 31.

The square root of 287374 is about 536.0727562561. The cubic root of 287374 is about 65.9906628971.

The spelling of 287374 in words is "two hundred eighty-seven thousand, three hundred seventy-four".