84001043 has 8 divisors (see below), whose sum is σ = 97960800. Its totient is φ = 72000600.

The previous prime is 84001039. The next prime is 84001051. The reversal of 84001043 is 34010048.

It is not a de Polignac number, because 84001043 - 2² = 84001039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84001013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122108 + ... + 122793.

It is an arithmetic number, because the mean of its divisors is an integer number (12245100).

Almost surely, 2^84001043 is an apocalyptic number.

84001043 is a deficient number, since it is larger than the sum of its proper divisors (13959757).

84001043 is an equidigital number, since it uses as much as digits as its factorization.

84001043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244922 (or 244908 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 84001043 is about 9165.2082900499. The cubic root of 84001043 is about 437.9537266156.

The spelling of 84001043 in words is "eighty-four million, one thousand, forty-three".