843400113 has 16 divisors (see below), whose sum is σ = 1131525696. Its totient is φ = 558780480.

The previous prime is 843400111. The next prime is 843400121. The reversal of 843400113 is 311004348.

It is not a de Polignac number, because 843400113 - 2¹ = 843400111 is a prime.

It is a super-2 number, since 2×843400113² = 1422647501216825538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (843400111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694695 + ... + 695907.

It is an arithmetic number, because the mean of its divisors is an integer number (70720356).

Almost surely, 2^843400113 is an apocalyptic number.

It is an amenable number.

843400113 is a deficient number, since it is larger than the sum of its proper divisors (288125583).

843400113 is a wasteful number, since it uses less digits than its factorization.

843400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 843400113 is about 29041.3517763895. The cubic root of 843400113 is about 944.8101530671.

The spelling of 843400113 in words is "eight hundred forty-three million, four hundred thousand, one hundred thirteen".