84831943 has 16 divisors (see below), whose sum is σ = 98233344. Its totient is φ = 71759520.

The previous prime is 84831881. The next prime is 84831961. The reversal of 84831943 is 34913848.

It is not a de Polignac number, because 84831943 - 2¹³ = 84823751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84831896 and 84831905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84831973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312898 + ... + 313168.

It is an arithmetic number, because the mean of its divisors is an integer number (6139584).

Almost surely, 2^84831943 is an apocalyptic number.

84831943 is a deficient number, since it is larger than the sum of its proper divisors (13401401).

84831943 is a wasteful number, since it uses less digits than its factorization.

84831943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its digits is 82944, while the sum is 40.

The square root of 84831943 is about 9210.4257773460. The cubic root of 84831943 is about 439.3930042662.

The spelling of 84831943 in words is "eighty-four million, eight hundred thirty-one thousand, nine hundred forty-three".