84406441 has 4 divisors (see below), whose sum is σ = 96464512. Its totient is φ = 72348372.

The previous prime is 84406409. The next prime is 84406457. The reversal of 84406441 is 14460448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84406441 - 2⁵ = 84406409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84406841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6029025 + ... + 6029038.

It is an arithmetic number, because the mean of its divisors is an integer number (24116128).

Almost surely, 2^84406441 is an apocalyptic number.

It is an amenable number.

84406441 is a deficient number, since it is larger than the sum of its proper divisors (12058071).

84406441 is a wasteful number, since it uses less digits than its factorization.

84406441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058070.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 84406441 is about 9187.2978072989. The cubic root of 84406441 is about 438.6571333985.

Adding to 84406441 its reverse (14460448), we get a palindrome (98866889).

The spelling of 84406441 in words is "eighty-four million, four hundred six thousand, four hundred forty-one".