249814238 has 4 divisors (see below), whose sum is σ = 374721360. Its totient is φ = 124907118.

The previous prime is 249814237. The next prime is 249814241. The reversal of 249814238 is 832418942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832418942 = 2 ⋅416209471.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249814195 and 249814204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249814237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62453558 + ... + 62453561.

It is an arithmetic number, because the mean of its divisors is an integer number (93680340).

Almost surely, 2^249814238 is an apocalyptic number.

249814238 is a deficient number, since it is larger than the sum of its proper divisors (124907122).

249814238 is a wasteful number, since it uses less digits than its factorization.

249814238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124907121.

The product of its digits is 110592, while the sum is 41.

The square root of 249814238 is about 15805.5128989856. The cubic root of 249814238 is about 629.8044559828.

It can be divided in two parts, 249814 and 238, that added together give a palindrome (250052).

The spelling of 249814238 in words is "two hundred forty-nine million, eight hundred fourteen thousand, two hundred thirty-eight".