249398 has 4 divisors (see below), whose sum is σ = 374100. Its totient is φ = 124698.

The previous prime is 249397. The next prime is 249419. The reversal of 249398 is 893942.

It is a semiprime because it is the product of two primes.

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 249398.

It is not an unprimeable number, because it can be changed into a prime (249397) by changing a digit.

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 as a sum of consecutive naturals, namely, 62348 + ... + 62351.

It is an arithmetic number, because the mean of its divisors is an integer number (93525).

2²⁴⁹³⁹⁸ is an apocalyptic number.

249398 is a deficient number, since it is larger than the sum of its proper divisors (124702).

249398 is a wasteful number, since it uses less digits than its factorization.

249398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124701.

The product of its digits is 15552, while the sum is 35.

The square root of 249398 is about 499.3976371590. The cubic root of 249398 is about 62.9454470222.

The spelling of 249398 in words is "two hundred forty-nine thousand, three hundred ninety-eight".