84343470 has 64 divisors (see below), whose sum is σ = 216103680. Its totient is φ = 21005568.

The previous prime is 84343447. The next prime is 84343471. The reversal of 84343470 is 7434348.

It is a super-2 number, since 2×84343470² = 14227641863281800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84343471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40597 + ... + 42623.

It is an arithmetic number, because the mean of its divisors is an integer number (3376620).

Almost surely, 2^84343470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84343470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108051840).

84343470 is an abundant number, since it is smaller than the sum of its proper divisors (131760210).

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

84343470 is a wasteful number, since it uses less digits than its factorization.

84343470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 84343470 is about 9183.8700992555. The cubic root of 84343470 is about 438.5480202782.

The spelling of 84343470 in words is "eighty-four million, three hundred forty-three thousand, four hundred seventy".