84336387 has 8 divisors (see below), whose sum is σ = 113077440. Its totient is φ = 55909800.

The previous prime is 84336347. The next prime is 84336401. The reversal of 84336387 is 78363348.

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

It is not a de Polignac number, because 84336387 - 2¹¹ = 84334339 is a prime.

It is a super-2 number, since 2×84336387² = 14225252344427538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84336347) 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 7 ways as a sum of consecutive naturals, for example, 77989 + ... + 79062.

It is an arithmetic number, because the mean of its divisors is an integer number (14134680).

Almost surely, 2^84336387 is an apocalyptic number.

84336387 is a deficient number, since it is larger than the sum of its proper divisors (28741053).

84336387 is a wasteful number, since it uses less digits than its factorization.

84336387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157233.

The product of its digits is 290304, while the sum is 42.

The square root of 84336387 is about 9183.4844694157. The cubic root of 84336387 is about 438.5357437989.

The spelling of 84336387 in words is "eighty-four million, three hundred thirty-six thousand, three hundred eighty-seven".