249946028 has 6 divisors (see below), whose sum is σ = 437405556. Its totient is φ = 124973012.

The previous prime is 249946027. The next prime is 249946043. The reversal of 249946028 is 820649942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 249946028.

It is not an unprimeable number, because it can be changed into a prime (249946027) by changing a digit.

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 as a sum of consecutive naturals, namely, 31243250 + ... + 31243257.

It is an arithmetic number, because the mean of its divisors is an integer number (72900926).

Almost surely, 2^249946028 is an apocalyptic number.

It is an amenable number.

249946028 is a deficient number, since it is larger than the sum of its proper divisors (187459528).

249946028 is a wasteful number, since it uses less digits than its factorization.

249946028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62486511 (or 62486509 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 249946028 is about 15809.6814642168. The cubic root of 249946028 is about 629.9151880454.

The spelling of 249946028 in words is "two hundred forty-nine million, nine hundred forty-six thousand, twenty-eight".