84452450 has 12 divisors (see below), whose sum is σ = 157081650. Its totient is φ = 33780960.

The previous prime is 84452449. The next prime is 84452453. The reversal of 84452450 is 5425448.

It can be written as a sum of positive squares in 3 ways, for example, as 73805281 + 10647169 = 8591^2 + 3263^2 .

It is a super-2 number, since 2×84452450² = 14264432622005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84452453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844475 + ... + 844574.

Almost surely, 2^84452450 is an apocalyptic number.

84452450 is a deficient number, since it is larger than the sum of its proper divisors (72629200).

84452450 is a wasteful number, since it uses less digits than its factorization.

84452450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689061 (or 1689056 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 84452450 is about 9189.8014124354. The cubic root of 84452450 is about 438.7368212750.

Adding to 84452450 its reverse (5425448), we get a palindrome (89877898).

The spelling of 84452450 in words is "eighty-four million, four hundred fifty-two thousand, four hundred fifty".