249494876 has 12 divisors (see below), whose sum is σ = 437312400. Its totient is φ = 124548480.

The previous prime is 249494867. The next prime is 249494879. The reversal of 249494876 is 678494942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249494879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46901 + ... + 51948.

It is an arithmetic number, because the mean of its divisors is an integer number (36442700).

Almost surely, 2^249494876 is an apocalyptic number.

It is an amenable number.

249494876 is a deficient number, since it is larger than the sum of its proper divisors (187817524).

249494876 is a wasteful number, since it uses less digits than its factorization.

249494876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99484 (or 99482 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The square root of 249494876 is about 15795.4068007127. The cubic root of 249494876 is about 629.5359613023.

The spelling of 249494876 in words is "two hundred forty-nine million, four hundred ninety-four thousand, eight hundred seventy-six".