84323830 has 16 divisors (see below), whose sum is σ = 151894944. Its totient is φ = 33704640.

The previous prime is 84323821. The next prime is 84323831. The reversal of 84323830 is 3832348.

It is a super-2 number, since 2×84323830² = 14221016611737800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84323792 and 84323801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84323831) 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, 17815 + ... + 22045.

It is an arithmetic number, because the mean of its divisors is an integer number (9493434).

Almost surely, 2^84323830 is an apocalyptic number.

84323830 is a deficient number, since it is larger than the sum of its proper divisors (67571114).

84323830 is a wasteful number, since it uses less digits than its factorization.

84323830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 84323830 is about 9182.8007710066. The cubic root of 84323830 is about 438.5139779204.

The spelling of 84323830 in words is "eighty-four million, three hundred twenty-three thousand, eight hundred thirty".