84025458 has 128 divisors (see below), whose sum is σ = 221149440. Its totient is φ = 23362560.

The previous prime is 84025453. The next prime is 84025481. The reversal of 84025458 is 85452048.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84025451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 535116 + ... + 535272.

It is an arithmetic number, because the mean of its divisors is an integer number (1727730).

Almost surely, 2^84025458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84025458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110574720).

84025458 is an abundant number, since it is smaller than the sum of its proper divisors (137123982).

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

84025458 is a wasteful number, since it uses less digits than its factorization.

84025458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 84025458 is about 9166.5401324600. The cubic root of 84025458 is about 437.9961530906.

The spelling of 84025458 in words is "eighty-four million, twenty-five thousand, four hundred fifty-eight".