84211684 has 12 divisors (see below), whose sum is σ = 147837564. Its totient is φ = 41972384.

The previous prime is 84211681. The next prime is 84211691. The reversal of 84211684 is 48611248.

It can be written as a sum of positive squares in 2 ways, for example, as 13483584 + 70728100 = 3672^2 + 8410^2 .

It is not an unprimeable number, because it can be changed into a prime (84211681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31939 + ... + 34474.

It is an arithmetic number, because the mean of its divisors is an integer number (12319797).

Almost surely, 2^84211684 is an apocalyptic number.

It is an amenable number.

84211684 is a deficient number, since it is larger than the sum of its proper divisors (63625880).

84211684 is a wasteful number, since it uses less digits than its factorization.

84211684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66734 (or 66732 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 84211684 is about 9176.6924324617. The cubic root of 84211684 is about 438.3194919495.

The spelling of 84211684 in words is "eighty-four million, two hundred eleven thousand, six hundred eighty-four".