84454416 has 60 divisors (see below), whose sum is σ = 243992320. Its totient is φ = 27241920.

The previous prime is 84454393. The next prime is 84454417. The reversal of 84454416 is 61445448.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84454417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4996 + ... + 13923.

Almost surely, 2^84454416 is an apocalyptic number.

It is an amenable number.

84454416 is an abundant number, since it is smaller than the sum of its proper divisors (159537904).

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

84454416 is a wasteful number, since it uses less digits than its factorization.

84454416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18964 (or 18955 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 84454416 is about 9189.9083782157. The cubic root of 84454416 is about 438.7402257544.

The spelling of 84454416 in words is "eighty-four million, four hundred fifty-four thousand, four hundred sixteen".