249794844 has 72 divisors (see below), whose sum is σ = 648390960. Its totient is φ = 74760192.

The previous prime is 249794833. The next prime is 249794851. The reversal of 249794844 is 448497942.

249794844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73372 + ... + 76700.

It is an arithmetic number, because the mean of its divisors is an integer number (9005430).

Almost surely, 2^249794844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249794844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324195480).

249794844 is an abundant number, since it is smaller than the sum of its proper divisors (398596116).

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

249794844 is a wasteful number, since it uses less digits than its factorization.

249794844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3384 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 249794844 is about 15804.8993669685. The cubic root of 249794844 is about 629.7881575473.

The spelling of 249794844 in words is "two hundred forty-nine million, seven hundred ninety-four thousand, eight hundred forty-four".