84984147 has 12 divisors (see below), whose sum is σ = 127301720. Its totient is φ = 56655936.

The previous prime is 84984143. The next prime is 84984161. The reversal of 84984147 is 74148948.

It is not a de Polignac number, because 84984147 - 2² = 84984143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84984143) 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, 174622 + ... + 175107.

Almost surely, 2^84984147 is an apocalyptic number.

84984147 is a deficient number, since it is larger than the sum of its proper divisors (42317573).

84984147 is an equidigital number, since it uses as much as digits as its factorization.

84984147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349744 (or 349732 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 84984147 is about 9218.6846675651. The cubic root of 84984147 is about 439.6556310297.

The spelling of 84984147 in words is "eighty-four million, nine hundred eighty-four thousand, one hundred forty-seven".