249483228 has 24 divisors (see below), whose sum is σ = 616370832. Its totient is φ = 78269184.

The previous prime is 249483217. The next prime is 249483251. The reversal of 249483228 is 822384942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 249483228.

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, 611275 + ... + 611682.

It is an arithmetic number, because the mean of its divisors is an integer number (25682118).

Almost surely, 2^249483228 is an apocalyptic number.

It is an amenable number.

249483228 is an abundant number, since it is smaller than the sum of its proper divisors (366887604).

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

249483228 is a wasteful number, since it uses less digits than its factorization.

249483228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222981 (or 1222979 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 249483228 is about 15795.0380816255. The cubic root of 249483228 is about 629.5261642420.

The spelling of 249483228 in words is "two hundred forty-nine million, four hundred eighty-three thousand, two hundred twenty-eight".