84364225 has 27 divisors (see below), whose sum is σ = 115679011. Its totient is φ = 60988400.

The previous prime is 84364223. The next prime is 84364249. The reversal of 84364225 is 52246348.

The square root of 84364225 is 9185.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 30371121 + 53993104 = 5511^2 + 7348^2 .

It is not a de Polignac number, because 84364225 - 2¹ = 84364223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84364223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 505092 + ... + 505258.

Almost surely, 2^84364225 is an apocalyptic number.

84364225 is the 9185-th square number.

84364225 is the 4593-rd centered octagonal number.

It is an amenable number.

84364225 is a deficient number, since it is larger than the sum of its proper divisors (31314786).

84364225 is a wasteful number, since it uses less digits than its factorization.

84364225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 183 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The cubic root of 84364225 is about 438.5839895424.

The spelling of 84364225 in words is "eighty-four million, three hundred sixty-four thousand, two hundred twenty-five".