84343120 has 40 divisors (see below), whose sum is σ = 207636264. Its totient is φ = 31752192.

The previous prime is 84343097. The next prime is 84343121. The reversal of 84343120 is 2134348.

It can be written as a sum of positive squares in 4 ways, for example, as 47279376 + 37063744 = 6876^2 + 6088^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×84343120² = 14227523782668800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84343121) 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, 29649 + ... + 32368.

Almost surely, 2^84343120 is an apocalyptic number.

84343120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84343120 is an abundant number, since it is smaller than the sum of its proper divisors (123293144).

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

84343120 is a wasteful number, since it uses less digits than its factorization.

84343120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62047 (or 62041 counting only the distinct ones).

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

The square root of 84343120 is about 9183.8510440882. The cubic root of 84343120 is about 438.5474136633.

Adding to 84343120 its reverse (2134348), we get a palindrome (86477468).

The spelling of 84343120 in words is "eighty-four million, three hundred forty-three thousand, one hundred twenty".