249138244 has 12 divisors (see below), whose sum is σ = 436431100. Its totient is φ = 124443648.

The previous prime is 249138223. The next prime is 249138251. The reversal of 249138244 is 442831942.

It can be written as a sum of positive squares in 2 ways, for example, as 180579844 + 68558400 = 13438^2 + 8280^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26829 + ... + 34900.

Almost surely, 2^249138244 is an apocalyptic number.

It is an amenable number.

249138244 is a deficient number, since it is larger than the sum of its proper divisors (187292856).

249138244 is a wasteful number, since it uses less digits than its factorization.

249138244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62742 (or 62740 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 249138244 is about 15784.1136589927. The cubic root of 249138244 is about 629.2358619821.

The spelling of 249138244 in words is "two hundred forty-nine million, one hundred thirty-eight thousand, two hundred forty-four".