249024946 has 8 divisors (see below), whose sum is σ = 373723164. Its totient is φ = 124450560.

The previous prime is 249024929. The next prime is 249024947. The reversal of 249024946 is 649420942.

It can be written as a sum of positive squares in 2 ways, for example, as 237498921 + 11526025 = 15411^2 + 3395^2 .

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 = 249024899 and 249024908.

It is not an unprimeable number, because it can be changed into a prime (249024947) 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, 25755 + ... + 34078.

Almost surely, 2^249024946 is an apocalyptic number.

249024946 is a deficient number, since it is larger than the sum of its proper divisors (124698218).

249024946 is a wasteful number, since it uses less digits than its factorization.

249024946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61916.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 249024946 is about 15780.5242625206. The cubic root of 249024946 is about 629.1404638435.

The spelling of 249024946 in words is "two hundred forty-nine million, twenty-four thousand, nine hundred forty-six".