249284 has 24 divisors (see below), whose sum is σ = 517440. Its totient is φ = 102816.

The previous prime is 249257. The next prime is 249287. The reversal of 249284 is 482942.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (249287) 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, 659 + ... + 965.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

2²⁴⁹²⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258720).

249284 is an abundant number, since it is smaller than the sum of its proper divisors (268156).

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

249284 is a wasteful number, since it uses less digits than its factorization.

249284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 249284 is about 499.2834866086. The cubic root of 249284 is about 62.9358547579.

The spelling of 249284 in words is "two hundred forty-nine thousand, two hundred eighty-four".