84360231 has 16 divisors (see below), whose sum is σ = 125547520. Its totient is φ = 55983960.

The previous prime is 84360197. The next prime is 84360233. The reversal of 84360231 is 13206348.

It is a happy number.

It is not a de Polignac number, because 84360231 - 2⁶ = 84360167 is a prime.

It is a super-2 number, since 2×84360231² = 14233297148746722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84360195 and 84360204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84360233) 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 15 ways as a sum of consecutive naturals, for example, 985 + ... + 13026.

It is an arithmetic number, because the mean of its divisors is an integer number (7846720).

Almost surely, 2^84360231 is an apocalyptic number.

84360231 is a deficient number, since it is larger than the sum of its proper divisors (41187289).

84360231 is a wasteful number, since it uses less digits than its factorization.

84360231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243 (or 14237 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 84360231 is about 9184.7825777206. The cubic root of 84360231 is about 438.5770682354.

Adding to 84360231 its reverse (13206348), we get a palindrome (97566579).

The spelling of 84360231 in words is "eighty-four million, three hundred sixty thousand, two hundred thirty-one".