285374 has 8 divisors (see below), whose sum is σ = 432768. Its totient is φ = 141120.

The previous prime is 285343. The next prime is 285377. The reversal of 285374 is 473582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285374.

It is not an unprimeable number, because it can be changed into a prime (285377) by changing a digit.

285374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (54096).

285374 is a Friedman number, since it can be written as (8+5)*(7*4)^3-2, using all its digits and the basic arithmetic operations.

2²⁸⁵³⁷⁴ is an apocalyptic number.

285374 is a deficient number, since it is larger than the sum of its proper divisors (147394).

285374 is a wasteful number, since it uses less digits than its factorization.

285374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 6720, while the sum is 29.

The square root of 285374 is about 534.2040808530. The cubic root of 285374 is about 65.8372174532.

The spelling of 285374 in words is "two hundred eighty-five thousand, three hundred seventy-four".