84532401 has 12 divisors (see below), whose sum is σ = 122220228. Its totient is φ = 56300544.

The previous prime is 84532379. The next prime is 84532417. The reversal of 84532401 is 10423548.

It can be written as a sum of positive squares in 2 ways, for example, as 18533025 + 65999376 = 4305^2 + 8124^2 .

It is not a de Polignac number, because 84532401 - 2⁵ = 84532369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84532801) 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 11 ways as a sum of consecutive naturals, for example, 6801 + ... + 14673.

It is an arithmetic number, because the mean of its divisors is an integer number (10185019).

Almost surely, 2^84532401 is an apocalyptic number.

It is an amenable number.

84532401 is a deficient number, since it is larger than the sum of its proper divisors (37687827).

84532401 is a wasteful number, since it uses less digits than its factorization.

84532401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072 (or 9069 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84532401 is about 9194.1503685768. The cubic root of 84532401 is about 438.8752280911.

Adding to 84532401 its reverse (10423548), we get a palindrome (94955949).

The spelling of 84532401 in words is "eighty-four million, five hundred thirty-two thousand, four hundred one".