249363428 has 12 divisors (see below), whose sum is σ = 440248620. Its totient is φ = 123578112.

The previous prime is 249363409. The next prime is 249363437. The reversal of 249363428 is 824363942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100962304 + 148401124 = 10048^2 + 12182^2 .

It is a super-2 number, since 2×249363428² = 124364238447822368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275393 + ... + 276296.

It is an arithmetic number, because the mean of its divisors is an integer number (36687385).

Almost surely, 2^249363428 is an apocalyptic number.

It is an amenable number.

249363428 is a deficient number, since it is larger than the sum of its proper divisors (190885192).

249363428 is a wasteful number, since it uses less digits than its factorization.

249363428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551806 (or 551804 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 249363428 is about 15791.2452960493. The cubic root of 249363428 is about 629.4253835070.

The spelling of 249363428 in words is "two hundred forty-nine million, three hundred sixty-three thousand, four hundred twenty-eight".