84412445 has 8 divisors (see below), whose sum is σ = 109086936. Its totient is φ = 62335296.

The previous prime is 84412441. The next prime is 84412451. The reversal of 84412445 is 54421448.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 84254041 = 398^2 + 9179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84412445 - 2² = 84412441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84412441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649262 + ... + 649391.

It is an arithmetic number, because the mean of its divisors is an integer number (13635867).

Almost surely, 2^84412445 is an apocalyptic number.

It is an amenable number.

84412445 is a deficient number, since it is larger than the sum of its proper divisors (24674491).

84412445 is a wasteful number, since it uses less digits than its factorization.

84412445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298671.

The product of its digits is 20480, while the sum is 32.

The square root of 84412445 is about 9187.6245569788. The cubic root of 84412445 is about 438.6675340068.

The spelling of 84412445 in words is "eighty-four million, four hundred twelve thousand, four hundred forty-five".