84931316 has 6 divisors (see below), whose sum is σ = 148629810. Its totient is φ = 42465656.

The previous prime is 84931307. The next prime is 84931333. The reversal of 84931316 is 61313948.

It can be written as a sum of positive squares in only one way, i.e., 47059600 + 37871716 = 6860^2 + 6154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616411 + ... + 10616418.

It is an arithmetic number, because the mean of its divisors is an integer number (24771635).

Almost surely, 2^84931316 is an apocalyptic number.

It is an amenable number.

84931316 is a deficient number, since it is larger than the sum of its proper divisors (63698494).

84931316 is a wasteful number, since it uses less digits than its factorization.

84931316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232833 (or 21232831 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 84931316 is about 9215.8187916213. The cubic root of 84931316 is about 439.5645071268.

The spelling of 84931316 in words is "eighty-four million, nine hundred thirty-one thousand, three hundred sixteen".