249862 has 8 divisors (see below), whose sum is σ = 376992. Its totient is φ = 124200.

The previous prime is 249859. The next prime is 249863. The reversal of 249862 is 268942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (47124).

2²⁴⁹⁸⁶² is an apocalyptic number.

249862 is a deficient number, since it is larger than the sum of its proper divisors (127130).

249862 is a wasteful number, since it uses less digits than its factorization.

249862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its digits is 6912, while the sum is 31.

The square root of 249862 is about 499.8619809507. The cubic root of 249862 is about 62.9844590876.

It can be divided in two parts, 249 and 862, that added together give a palindrome (1111).

The spelling of 249862 in words is "two hundred forty-nine thousand, eight hundred sixty-two".