84342843 has 32 divisors (see below), whose sum is σ = 141657600. Its totient is φ = 49167648.

The previous prime is 84342833. The next prime is 84342877. The reversal of 84342843 is 34824348.

It is not a de Polignac number, because 84342843 - 2⁹ = 84342331 is a prime.

It is a super-2 number, since 2×84342843² = 14227430330645298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84342798 and 84342807.

It is not an unprimeable number, because it can be changed into a prime (84342833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346 + ... + 12992.

It is an arithmetic number, because the mean of its divisors is an integer number (4426800).

Almost surely, 2^84342843 is an apocalyptic number.

84342843 is a deficient number, since it is larger than the sum of its proper divisors (57314757).

84342843 is a wasteful number, since it uses less digits than its factorization.

84342843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12688 (or 12682 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 84342843 is about 9183.8359632563. The cubic root of 84342843 is about 438.5469335697.

The spelling of 84342843 in words is "eighty-four million, three hundred forty-two thousand, eight hundred forty-three".