249938030 has 16 divisors (see below), whose sum is σ = 452152800. Its totient is φ = 99472032.

The previous prime is 249938011. The next prime is 249938053. The reversal of 249938030 is 30839942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60809 + ... + 64788.

It is an arithmetic number, because the mean of its divisors is an integer number (28259550).

Almost surely, 2^249938030 is an apocalyptic number.

249938030 is a deficient number, since it is larger than the sum of its proper divisors (202214770).

249938030 is a wasteful number, since it uses less digits than its factorization.

249938030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125803.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 249938030 is about 15809.4285159205. The cubic root of 249938030 is about 629.9084691077.

The spelling of 249938030 in words is "two hundred forty-nine million, nine hundred thirty-eight thousand, thirty".