249342 has 16 divisors (see below), whose sum is σ = 516240. Its totient is φ = 80192.

The previous prime is 249341. The next prime is 249367. The reversal of 249342 is 243942.

It is a happy number.

It is a d-powerful number, because it can be written as 2 + 4³ + 3¹¹ + 9⁴ + 4⁸ + 2⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249341) 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, 543 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (32265).

2²⁴⁹³⁴² is an apocalyptic number.

249342 is an abundant number, since it is smaller than the sum of its proper divisors (266898).

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

249342 is a wasteful number, since it uses less digits than its factorization.

249342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467.

The product of its digits is 1728, while the sum is 24.

The square root of 249342 is about 499.3415664653. The cubic root of 249342 is about 62.9407353981.

It can be divided in two parts, 249 and 342, that multiplied together give a palindrome (85158).

The spelling of 249342 in words is "two hundred forty-nine thousand, three hundred forty-two".