84455448 has 128 divisors (see below), whose sum is σ = 274821120. Its totient is φ = 20972160.

The previous prime is 84455419. The next prime is 84455461.

84455448 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41511 + ... + 43497.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^84455448 is an apocalyptic number.

84455448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84455448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137410560).

84455448 is an abundant number, since it is smaller than the sum of its proper divisors (190365672).

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

84455448 is a wasteful number, since it uses less digits than its factorization.

84455448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2033 counting only the distinct ones).

The product of its digits is 409600, while the sum is 42.

The square root of 84455448 is about 9189.9645265909. The cubic root of 84455448 is about 438.7420128253.

The spelling of 84455448 in words is "eighty-four million, four hundred fifty-five thousand, four hundred forty-eight".