84536369 has 2 divisors, whose sum is σ = 84536370. Its totient is φ = 84536368.

The previous prime is 84536357. The next prime is 84536437. The reversal of 84536369 is 96363548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 18601969 = 8120^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 84536369 - 2¹⁶ = 84470833 is a prime.

It is a super-2 number, since 2×84536369² = 14292795367408322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84536069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42268184 + 42268185.

It is an arithmetic number, because the mean of its divisors is an integer number (42268185).

Almost surely, 2^84536369 is an apocalyptic number.

It is an amenable number.

84536369 is a deficient number, since it is larger than the sum of its proper divisors (1).

84536369 is an equidigital number, since it uses as much as digits as its factorization.

84536369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 84536369 is about 9194.3661554237. The cubic root of 84536369 is about 438.8820950030.

The spelling of 84536369 in words is "eighty-four million, five hundred thirty-six thousand, three hundred sixty-nine".