249344830 has 24 divisors (see below), whose sum is σ = 522098568. Its totient is φ = 85489488.

The previous prime is 249344827. The next prime is 249344833. The reversal of 249344830 is 38443942.

It is an interprime number because it is at equal distance from previous prime (249344827) and next prime (249344833).

It is a self number, because there is not a number n which added to its sum of digits gives 249344830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249344833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253944 + ... + 254923.

It is an arithmetic number, because the mean of its divisors is an integer number (21754107).

Almost surely, 2^249344830 is an apocalyptic number.

249344830 is an abundant number, since it is smaller than the sum of its proper divisors (272753738).

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

249344830 is a wasteful number, since it uses less digits than its factorization.

249344830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508888 (or 508881 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 249344830 is about 15790.6564144750. The cubic root of 249344830 is about 629.4097352028.

The spelling of 249344830 in words is "two hundred forty-nine million, three hundred forty-four thousand, eight hundred thirty".