249976356 has 24 divisors (see below), whose sum is σ = 666603840. Its totient is φ = 71421792.

The previous prime is 249976339. The next prime is 249976361. The reversal of 249976356 is 653679942.

249976356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 249976299 and 249976308.

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, 1487871 + ... + 1488038.

It is an arithmetic number, because the mean of its divisors is an integer number (27775160).

Almost surely, 2^249976356 is an apocalyptic number.

It is an amenable number.

249976356 is an abundant number, since it is smaller than the sum of its proper divisors (416627484).

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

249976356 is a wasteful number, since it uses less digits than its factorization.

249976356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975923 (or 2975921 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The square root of 249976356 is about 15810.6405942327. The cubic root of 249976356 is about 629.9406646058.

The spelling of 249976356 in words is "two hundred forty-nine million, nine hundred seventy-six thousand, three hundred fifty-six".