84689316 has 18 divisors (see below), whose sum is σ = 214075862. Its totient is φ = 28229760.

The previous prime is 84689279. The next prime is 84689321. The reversal of 84689316 is 61398648.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 34222500 = 7104^2 + 5850^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1176205 + ... + 1176276.

Almost surely, 2^84689316 is an apocalyptic number.

It is an amenable number.

84689316 is an abundant number, since it is smaller than the sum of its proper divisors (129386546).

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

84689316 is a wasteful number, since it uses less digits than its factorization.

84689316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352491 (or 2352486 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 84689316 is about 9202.6798270938. The cubic root of 84689316 is about 439.1466172788.

The spelling of 84689316 in words is "eighty-four million, six hundred eighty-nine thousand, three hundred sixteen".