249546472 has 64 divisors (see below), whose sum is σ = 551940480. Its totient is φ = 103564032.

The previous prime is 249546467. The next prime is 249546503. The reversal of 249546472 is 274645942.

249546472 is nontrivially palindromic in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245838 + ... + 246850.

It is an arithmetic number, because the mean of its divisors is an integer number (8624070).

Almost surely, 2^249546472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249546472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275970240).

249546472 is an abundant number, since it is smaller than the sum of its proper divisors (302394008).

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

249546472 is a wasteful number, since it uses less digits than its factorization.

249546472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 249546472 is about 15797.0399758942. The cubic root of 249546472 is about 629.5793547100.

The spelling of 249546472 in words is "two hundred forty-nine million, five hundred forty-six thousand, four hundred seventy-two".