249615048 has 32 divisors (see below), whose sum is σ = 625125600. Its totient is φ = 83059968.

The previous prime is 249615019. The next prime is 249615059. The reversal of 249615048 is 840516942.

249615048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 249614997 and 249615015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5463 + ... + 23001.

It is an arithmetic number, because the mean of its divisors is an integer number (19535175).

Almost surely, 2^249615048 is an apocalyptic number.

It is an amenable number.

249615048 is an abundant number, since it is smaller than the sum of its proper divisors (375510552).

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

249615048 is a wasteful number, since it uses less digits than its factorization.

249615048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18141 (or 18137 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 249615048 is about 15799.2103600148. The cubic root of 249615048 is about 629.6370194264.

The spelling of 249615048 in words is "two hundred forty-nine million, six hundred fifteen thousand, forty-eight".