84971238 has 32 divisors (see below), whose sum is σ = 188013312. Its totient is φ = 25384800.

The previous prime is 84971233. The next prime is 84971267. The reversal of 84971238 is 83217948.

It is a super-2 number, since 2×84971238² = 14440222574505288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84971238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84971233) 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, 4381 + ... + 13752.

It is an arithmetic number, because the mean of its divisors is an integer number (5875416).

Almost surely, 2^84971238 is an apocalyptic number.

84971238 is an abundant number, since it is smaller than the sum of its proper divisors (103042074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84971238 is a wasteful number, since it uses less digits than its factorization.

84971238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220.

The product of its digits is 96768, while the sum is 42.

The square root of 84971238 is about 9217.9844868605. The cubic root of 84971238 is about 439.6333688309.

The spelling of 84971238 in words is "eighty-four million, nine hundred seventy-one thousand, two hundred thirty-eight".