249483930 has 16 divisors (see below), whose sum is σ = 598761504. Its totient is φ = 66529040.

The previous prime is 249483929. The next prime is 249483937. The reversal of 249483930 is 39384942.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (249483937) 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 7 ways as a sum of consecutive naturals, for example, 4158036 + ... + 4158095.

It is an arithmetic number, because the mean of its divisors is an integer number (37422594).

Almost surely, 2^249483930 is an apocalyptic number.

249483930 is an abundant number, since it is smaller than the sum of its proper divisors (349277574).

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

249483930 is a wasteful number, since it uses less digits than its factorization.

249483930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316141.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 249483930 is about 15795.0603037785. The cubic root of 249483930 is about 629.5267546985.

The spelling of 249483930 in words is "two hundred forty-nine million, four hundred eighty-three thousand, nine hundred thirty".