84243460 has 48 divisors (see below), whose sum is σ = 204978816. Its totient is φ = 28484352.

The previous prime is 84243451. The next prime is 84243469. The reversal of 84243460 is 6434248.

It is an interprime number because it is at equal distance from previous prime (84243451) and next prime (84243469).

It is not an unprimeable number, because it can be changed into a prime (84243469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6099 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (4270392).

Almost surely, 2^84243460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84243460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102489408).

84243460 is an abundant number, since it is smaller than the sum of its proper divisors (120735356).

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

84243460 is a wasteful number, since it uses less digits than its factorization.

84243460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332 (or 8330 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 84243460 is about 9178.4236119281. The cubic root of 84243460 is about 438.3746160845.

The spelling of 84243460 in words is "eighty-four million, two hundred forty-three thousand, four hundred sixty".