249468146 has 8 divisors (see below), whose sum is σ = 377699760. Its totient is φ = 123568228.

The previous prime is 249468127. The next prime is 249468161. The reversal of 249468146 is 641864942.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 249468097 and 249468106.

It is an unprimeable number.

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, 582656 + ... + 583083.

It is an arithmetic number, because the mean of its divisors is an integer number (47212470).

Almost surely, 2^249468146 is an apocalyptic number.

249468146 is a deficient number, since it is larger than the sum of its proper divisors (128231614).

249468146 is a wasteful number, since it uses less digits than its factorization.

249468146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165848.

The product of its digits is 331776, while the sum is 44.

The square root of 249468146 is about 15794.5606459946. The cubic root of 249468146 is about 629.5134784127.

The spelling of 249468146 in words is "two hundred forty-nine million, four hundred sixty-eight thousand, one hundred forty-six".