84371456 has 48 divisors (see below), whose sum is σ = 181736100. Its totient is φ = 38928384.

The previous prime is 84371437. The next prime is 84371477. The reversal of 84371456 is 65417348.

It can be written as a sum of positive squares in 2 ways, for example, as 84345856 + 25600 = 9184^2 + 160^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25040 + ... + 28208.

Almost surely, 2^84371456 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 84371456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90868050).

84371456 is an abundant number, since it is smaller than the sum of its proper divisors (97364644).

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

84371456 is a wasteful number, since it uses less digits than its factorization.

84371456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3184 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 84371456 is about 9185.3936224856. The cubic root of 84371456 is about 438.5965197755.

The spelling of 84371456 in words is "eighty-four million, three hundred seventy-one thousand, four hundred fifty-six".