84831273 has 8 divisors (see below), whose sum is σ = 125676000. Its totient is φ = 56554164.

The previous prime is 84831259. The next prime is 84831281. The reversal of 84831273 is 37213848.

It is a de Polignac number, because none of the positive numbers 2^k-84831273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84831673) 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, 1570923 + ... + 1570976.

It is an arithmetic number, because the mean of its divisors is an integer number (15709500).

Almost surely, 2^84831273 is an apocalyptic number.

It is an amenable number.

84831273 is a deficient number, since it is larger than the sum of its proper divisors (40844727).

84831273 is a wasteful number, since it uses less digits than its factorization.

84831273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141908 (or 3141902 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 84831273 is about 9210.3894054486. The cubic root of 84831273 is about 439.3918474925.

The spelling of 84831273 in words is "eighty-four million, eight hundred thirty-one thousand, two hundred seventy-three".