249772 has 12 divisors (see below), whose sum is σ = 448056. Its totient is φ = 121760.

The previous prime is 249763. The next prime is 249779. The reversal of 249772 is 277942.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (249779) by changing a digit.

249772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (37338).

2²⁴⁹⁷⁷² is an apocalyptic number.

It is an amenable number.

249772 is a deficient number, since it is larger than the sum of its proper divisors (198284).

249772 is a wasteful number, since it uses less digits than its factorization.

249772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1566 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 249772 is about 499.7719479923. The cubic root of 249772 is about 62.9768958700.

The spelling of 249772 in words is "two hundred forty-nine thousand, seven hundred seventy-two".