843880149 has 24 divisors (see below), whose sum is σ = 1406875392. Its totient is φ = 477439200.

The previous prime is 843880139. The next prime is 843880199. The reversal of 843880149 is 941088348.

843880149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 843880149 - 2²⁴ = 827102933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843880129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59949 + ... + 72674.

It is an arithmetic number, because the mean of its divisors is an integer number (58619808).

Almost surely, 2^843880149 is an apocalyptic number.

It is an amenable number.

843880149 is a deficient number, since it is larger than the sum of its proper divisors (562995243).

843880149 is a wasteful number, since it uses less digits than its factorization.

843880149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132737 (or 132734 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 843880149 is about 29049.6152986576. The cubic root of 843880149 is about 944.9893708387.

The spelling of 843880149 in words is "eight hundred forty-three million, eight hundred eighty thousand, one hundred forty-nine".