249082426 has 8 divisors (see below), whose sum is σ = 375688404. Its totient is φ = 123852960.

The previous prime is 249082423. The next prime is 249082439. The reversal of 249082426 is 624280942.

It can be written as a sum of positive squares in 2 ways, for example, as 239166225 + 9916201 = 15465^2 + 3149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (249082423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343675 + ... + 344398.

Almost surely, 2^249082426 is an apocalyptic number.

249082426 is a deficient number, since it is larger than the sum of its proper divisors (126605978).

249082426 is a wasteful number, since it uses less digits than its factorization.

249082426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688256.

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

The square root of 249082426 is about 15782.3453897068. The cubic root of 249082426 is about 629.1888662391.

The spelling of 249082426 in words is "two hundred forty-nine million, eighty-two thousand, four hundred twenty-six".