841585149 has 12 divisors (see below), whose sum is σ = 1241487936. Its totient is φ = 549119112.

The previous prime is 841585139. The next prime is 841585163. The reversal of 841585149 is 941585148.

It is a happy number.

841585149 is a `hidden beast` number, since 84 + 1 + 58 + 514 + 9 = 666.

It is not a de Polignac number, because 841585149 - 2¹² = 841581053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841585139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994359 + ... + 995204.

It is an arithmetic number, because the mean of its divisors is an integer number (103457328).

Almost surely, 2^841585149 is an apocalyptic number.

It is an amenable number.

841585149 is a deficient number, since it is larger than the sum of its proper divisors (399902787).

841585149 is a wasteful number, since it uses less digits than its factorization.

841585149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989616 (or 1989613 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 841585149 is about 29010.0870215861. The cubic root of 841585149 is about 944.1319348568.

Subtracting 841585149 from its reverse (941585148), we obtain a palindrome (99999999).

The spelling of 841585149 in words is "eight hundred forty-one million, five hundred eighty-five thousand, one hundred forty-nine".