249999996 has 24 divisors (see below), whose sum is σ = 602151424. Its totient is φ = 80645040.

The previous prime is 249999991. The next prime is 250000013. The reversal of 249999996 is 699999942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249999991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335650 + ... + 336393.

Almost surely, 2^249999996 is an apocalyptic number.

It is an amenable number.

249999996 is an abundant number, since it is smaller than the sum of its proper divisors (352151428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249999996 is a wasteful number, since it uses less digits than its factorization.

249999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672081 (or 672079 counting only the distinct ones).

The product of its digits is 25509168, while the sum is 66.

The square root of 249999996 is about 15811.3881743508. The cubic root of 249999996 is about 629.9605215876.

The spelling of 249999996 in words is "two hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-six".