843161242 has 64 divisors (see below), whose sum is σ = 1611187200. Its totient is φ = 321425280.

The previous prime is 843161239. The next prime is 843161251. The reversal of 843161242 is 242161348.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2012109 + ... + 2012527.

It is an arithmetic number, because the mean of its divisors is an integer number (25174800).

Almost surely, 2^843161242 is an apocalyptic number.

843161242 is a deficient number, since it is larger than the sum of its proper divisors (768025958).

843161242 is a wasteful number, since it uses less digits than its factorization.

843161242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 9216, while the sum is 31.

The square root of 843161242 is about 29037.2388838884. The cubic root of 843161242 is about 944.7209470652.

It can be divided in two parts, 84316 and 1242, that added together give a palindrome (85558).

The spelling of 843161242 in words is "eight hundred forty-three million, one hundred sixty-one thousand, two hundred forty-two".