844190249 has 4 divisors (see below), whose sum is σ = 964788864. Its totient is φ = 723591636.

The previous prime is 844190239. The next prime is 844190257. The reversal of 844190249 is 942091448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844190249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844190239) 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, 60299297 + ... + 60299310.

It is an arithmetic number, because the mean of its divisors is an integer number (241197216).

Almost surely, 2^844190249 is an apocalyptic number.

It is an amenable number.

844190249 is a deficient number, since it is larger than the sum of its proper divisors (120598615).

844190249 is a wasteful number, since it uses less digits than its factorization.

844190249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120598614.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 844190249 is about 29054.9522284928. The cubic root of 844190249 is about 945.1051081730.

The spelling of 844190249 in words is "eight hundred forty-four million, one hundred ninety thousand, two hundred forty-nine".