249423460 has 48 divisors (see below), whose sum is σ = 615367872. Its totient is φ = 83721600.

The previous prime is 249423457. The next prime is 249423463. The reversal of 249423460 is 64324942.

249423460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249423457) and next prime (249423463).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (249423463) 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 15 ways as a sum of consecutive naturals, for example, 40746 + ... + 46465.

It is an arithmetic number, because the mean of its divisors is an integer number (12820164).

Almost surely, 2^249423460 is an apocalyptic number.

249423460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249423460 is an abundant number, since it is smaller than the sum of its proper divisors (365944412).

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

249423460 is a wasteful number, since it uses less digits than its factorization.

249423460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87244 (or 87242 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 249423460 is about 15793.1459817226. The cubic root of 249423460 is about 629.4758889522.

The spelling of 249423460 in words is "two hundred forty-nine million, four hundred twenty-three thousand, four hundred sixty".