249484424 has 16 divisors (see below), whose sum is σ = 534609600. Its totient is φ = 106921872.

The previous prime is 249484397. The next prime is 249484439. The reversal of 249484424 is 424484942.

It is a super-2 number, since 2×249484424² = 124484955637223552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227484 + ... + 2227595.

It is an arithmetic number, because the mean of its divisors is an integer number (33413100).

Almost surely, 2^249484424 is an apocalyptic number.

It is an amenable number.

249484424 is an abundant number, since it is smaller than the sum of its proper divisors (285125176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249484424 is a wasteful number, since it uses less digits than its factorization.

249484424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455092 (or 4455088 counting only the distinct ones).

The product of its digits is 294912, while the sum is 41.

The square root of 249484424 is about 15795.0759415712. The cubic root of 249484424 is about 629.5271702042.

The spelling of 249484424 in words is "two hundred forty-nine million, four hundred eighty-four thousand, four hundred twenty-four".