84418916 has 6 divisors (see below), whose sum is σ = 147733110. Its totient is φ = 42209456.

The previous prime is 84418907. The next prime is 84418927. The reversal of 84418916 is 61981448.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 29658916 = 7400^2 + 5446^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10552361 + ... + 10552368.

It is an arithmetic number, because the mean of its divisors is an integer number (24622185).

Almost surely, 2^84418916 is an apocalyptic number.

It is an amenable number.

84418916 is a deficient number, since it is larger than the sum of its proper divisors (63314194).

84418916 is a wasteful number, since it uses less digits than its factorization.

84418916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21104733 (or 21104731 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 84418916 is about 9187.9767087210. The cubic root of 84418916 is about 438.6787430375.

The spelling of 84418916 in words is "eighty-four million, four hundred eighteen thousand, nine hundred sixteen".