249210230 has 8 divisors (see below), whose sum is σ = 448578432. Its totient is φ = 99684088.

The previous prime is 249210223. The next prime is 249210233. The reversal of 249210230 is 32012942.

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

It is a junction number, because it is equal to n+sod(n) for n = 249210196 and 249210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249210233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12460502 + ... + 12460521.

It is an arithmetic number, because the mean of its divisors is an integer number (56072304).

Almost surely, 2^249210230 is an apocalyptic number.

249210230 is a deficient number, since it is larger than the sum of its proper divisors (199368202).

249210230 is a wasteful number, since it uses less digits than its factorization.

249210230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24921030.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 249210230 is about 15786.3938250634. The cubic root of 249210230 is about 629.2964599459.

The spelling of 249210230 in words is "two hundred forty-nine million, two hundred ten thousand, two hundred thirty".