249335556 has 24 divisors (see below), whose sum is σ = 612403680. Its totient is φ = 78737472.

The previous prime is 249335551. The next prime is 249335561. The reversal of 249335556 is 655533942.

It is a happy number.

249335556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249335551) and next prime (249335561).

It is not an unprimeable number, because it can be changed into a prime (249335551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546561 + ... + 547016.

It is an arithmetic number, because the mean of its divisors is an integer number (25516820).

Almost surely, 2^249335556 is an apocalyptic number.

It is an amenable number.

249335556 is an abundant number, since it is smaller than the sum of its proper divisors (363068124).

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

249335556 is a wasteful number, since it uses less digits than its factorization.

249335556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093603 (or 1093601 counting only the distinct ones).

The product of its digits is 486000, while the sum is 42.

The square root of 249335556 is about 15790.3627570743. The cubic root of 249335556 is about 629.4019317949.

The spelling of 249335556 in words is "two hundred forty-nine million, three hundred thirty-five thousand, five hundred fifty-six".