84693231 has 12 divisors (see below), whose sum is σ = 139811152. Its totient is φ = 48396096.

The previous prime is 84693229. The next prime is 84693233. The reversal of 84693231 is 13239648.

It is an interprime number because it is at equal distance from previous prime (84693229) and next prime (84693233).

It is not a de Polignac number, because 84693231 - 2¹ = 84693229 is a prime.

It is a super-2 number, since 2×84693231² = 14345886754438722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84693233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672106 + ... + 672231.

Almost surely, 2^84693231 is an apocalyptic number.

84693231 is a deficient number, since it is larger than the sum of its proper divisors (55117921).

84693231 is a wasteful number, since it uses less digits than its factorization.

84693231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344350 (or 1344347 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 84693231 is about 9202.8925344155. The cubic root of 84693231 is about 439.1533841006.

The spelling of 84693231 in words is "eighty-four million, six hundred ninety-three thousand, two hundred thirty-one".