249944276 has 6 divisors (see below), whose sum is σ = 437402490. Its totient is φ = 124972136.

The previous prime is 249944273. The next prime is 249944293. The reversal of 249944276 is 672449942.

It can be written as a sum of positive squares in only one way, i.e., 192487876 + 57456400 = 13874^2 + 7580^2 .

It is a super-2 number, since 2×249944276² = 124944282210328352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249944276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249944273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31243031 + ... + 31243038.

It is an arithmetic number, because the mean of its divisors is an integer number (72900415).

Almost surely, 2^249944276 is an apocalyptic number.

It is an amenable number.

249944276 is a deficient number, since it is larger than the sum of its proper divisors (187458214).

249944276 is a wasteful number, since it uses less digits than its factorization.

249944276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62486073 (or 62486071 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 249944276 is about 15809.6260550337. The cubic root of 249944276 is about 629.9137162424.

The spelling of 249944276 in words is "two hundred forty-nine million, nine hundred forty-four thousand, two hundred seventy-six".