249299244 has 36 divisors (see below), whose sum is σ = 635760216. Its totient is φ = 82363008.

The previous prime is 249299221. The next prime is 249299279. The reversal of 249299244 is 442992942.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×249299244² = 124300226117943072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 249299244.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26574 + ... + 34709.

It is an arithmetic number, because the mean of its divisors is an integer number (17660006).

Almost surely, 2^249299244 is an apocalyptic number.

It is an amenable number.

249299244 is an abundant number, since it is smaller than the sum of its proper divisors (386460972).

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

249299244 is a wasteful number, since it uses less digits than its factorization.

249299244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61406 (or 61401 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 249299244 is about 15789.2128999517. The cubic root of 249299244 is about 629.3713759810.

The spelling of 249299244 in words is "two hundred forty-nine million, two hundred ninety-nine thousand, two hundred forty-four".