84324031 has 4 divisors (see below), whose sum is σ = 91989864. Its totient is φ = 76658200.

The previous prime is 84324011. The next prime is 84324041. The reversal of 84324031 is 13042348.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84324031 - 2¹⁹ = 83799743 is a prime.

It is a super-2 number, since 2×84324031² = 14221084408177922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84323987 and 84324005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84324011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832900 + ... + 3832921.

It is an arithmetic number, because the mean of its divisors is an integer number (22997466).

Almost surely, 2^84324031 is an apocalyptic number.

84324031 is a deficient number, since it is larger than the sum of its proper divisors (7665833).

84324031 is a wasteful number, since it uses less digits than its factorization.

84324031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665832.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 84324031 is about 9182.8117153735. The cubic root of 84324031 is about 438.5143263440.

Adding to 84324031 its reverse (13042348), we get a palindrome (97366379).

The spelling of 84324031 in words is "eighty-four million, three hundred twenty-four thousand, thirty-one".