249822383 has 4 divisors (see below), whose sum is σ = 250234560. Its totient is φ = 249410208.

The previous prime is 249822373. The next prime is 249822407. The reversal of 249822383 is 383228942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383228942 = 2 ⋅191614471.

It is a cyclic number.

It is not a de Polignac number, because 249822383 - 2¹⁴ = 249805999 is a prime.

It is a super-2 number, since 2×249822383² = 124822446095597378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249822383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249822323) 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, 205178 + ... + 206391.

It is an arithmetic number, because the mean of its divisors is an integer number (62558640).

Almost surely, 2^249822383 is an apocalyptic number.

249822383 is a deficient number, since it is larger than the sum of its proper divisors (412177).

249822383 is an equidigital number, since it uses as much as digits as its factorization.

249822383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412176.

The product of its digits is 165888, while the sum is 41.

The square root of 249822383 is about 15805.7705601467. The cubic root of 249822383 is about 629.8113006708.

The spelling of 249822383 in words is "two hundred forty-nine million, eight hundred twenty-two thousand, three hundred eighty-three".