84199641 has 8 divisors (see below), whose sum is σ = 112382784. Its totient is φ = 56074800.

The previous prime is 84199639. The next prime is 84199649. The reversal of 84199641 is 14699148.

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

It is not a de Polignac number, because 84199641 - 2¹ = 84199639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84199593 and 84199602.

It is not an unprimeable number, because it can be changed into a prime (84199649) 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 7 ways as a sum of consecutive naturals, for example, 11085 + ... + 17066.

It is an arithmetic number, because the mean of its divisors is an integer number (14047848).

Almost surely, 2^84199641 is an apocalyptic number.

It is an amenable number.

84199641 is a deficient number, since it is larger than the sum of its proper divisors (28183143).

84199641 is a wasteful number, since it uses less digits than its factorization.

84199641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29151.

The product of its digits is 62208, while the sum is 42.

The square root of 84199641 is about 9176.0362357611. The cubic root of 84199641 is about 438.2985964592.

The spelling of 84199641 in words is "eighty-four million, one hundred ninety-nine thousand, six hundred forty-one".