84402441 has 12 divisors (see below), whose sum is σ = 126118980. Its totient is φ = 54327840.

The previous prime is 84402419. The next prime is 84402449. The reversal of 84402441 is 14420448.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66585600 + 17816841 = 8160^2 + 4221^2 .

It is not a de Polignac number, because 84402441 - 2¹⁵ = 84369673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84402449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161430 + ... + 161951.

It is an arithmetic number, because the mean of its divisors is an integer number (10509915).

Almost surely, 2^84402441 is an apocalyptic number.

It is an amenable number.

84402441 is a deficient number, since it is larger than the sum of its proper divisors (41716539).

84402441 is a wasteful number, since it uses less digits than its factorization.

84402441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323416 (or 323413 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 84402441 is about 9187.0801128541. The cubic root of 84402441 is about 438.6502040053.

Adding to 84402441 its reverse (14420448), we get a palindrome (98822889).

The spelling of 84402441 in words is "eighty-four million, four hundred two thousand, four hundred forty-one".