249446844 has 24 divisors (see below), whose sum is σ = 646714320. Its totient is φ = 83148912.

The previous prime is 249446837. The next prime is 249446861. The reversal of 249446844 is 448644942.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 249446844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154739 + ... + 1154954.

It is an arithmetic number, because the mean of its divisors is an integer number (26946430).

Almost surely, 2^249446844 is an apocalyptic number.

It is an amenable number.

249446844 is an abundant number, since it is smaller than the sum of its proper divisors (397267476).

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

249446844 is a wasteful number, since it uses less digits than its factorization.

249446844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309706 (or 2309698 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 249446844 is about 15793.8862855220. The cubic root of 249446844 is about 629.4955599222.

The spelling of 249446844 in words is "two hundred forty-nine million, four hundred forty-six thousand, eight hundred forty-four".