84402201 has 16 divisors (see below), whose sum is σ = 121593024. Its totient is φ = 51768384.

The previous prime is 84402193. The next prime is 84402221. The reversal of 84402201 is 10220448.

It is not a de Polignac number, because 84402201 - 2³ = 84402193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84402221) 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 15 ways as a sum of consecutive naturals, for example, 8950 + ... + 15776.

It is an arithmetic number, because the mean of its divisors is an integer number (7599564).

Almost surely, 2^84402201 is an apocalyptic number.

It is an amenable number.

84402201 is a deficient number, since it is larger than the sum of its proper divisors (37190823).

84402201 is a wasteful number, since it uses less digits than its factorization.

84402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 84402201 is about 9187.0670510234. The cubic root of 84402201 is about 438.6497882347.

Adding to 84402201 its reverse (10220448), we get a palindrome (94622649).

The spelling of 84402201 in words is "eighty-four million, four hundred two thousand, two hundred one".