844921241 has 8 divisors (see below), whose sum is σ = 904466400. Its totient is φ = 786883680.

The previous prime is 844921211. The next prime is 844921243. The reversal of 844921241 is 142129448.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 844921241 - 2²⁶ = 777812377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844921243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375740 + ... + 377981.

It is an arithmetic number, because the mean of its divisors is an integer number (113058300).

Almost surely, 2^844921241 is an apocalyptic number.

It is an amenable number.

844921241 is a deficient number, since it is larger than the sum of its proper divisors (59545159).

844921241 is a wasteful number, since it uses less digits than its factorization.

844921241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753799.

The product of its digits is 18432, while the sum is 35.

The square root of 844921241 is about 29067.5289799460. The cubic root of 844921241 is about 945.3778211708.

The spelling of 844921241 in words is "eight hundred forty-four million, nine hundred twenty-one thousand, two hundred forty-one".