84253470 has 64 divisors (see below), whose sum is σ = 232713216. Its totient is φ = 19123200.

The previous prime is 84253459. The next prime is 84253471. The reversal of 84253470 is 7435248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84253471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30382 + ... + 33038.

It is an arithmetic number, because the mean of its divisors is an integer number (3636144).

Almost surely, 2^84253470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84253470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116356608).

84253470 is an abundant number, since it is smaller than the sum of its proper divisors (148459746).

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

84253470 is a wasteful number, since it uses less digits than its factorization.

84253470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 84253470 is about 9178.9688963412. The cubic root of 84253470 is about 438.3919782873.

The spelling of 84253470 in words is "eighty-four million, two hundred fifty-three thousand, four hundred seventy".