84334385 has 4 divisors (see below), whose sum is σ = 101201268. Its totient is φ = 67467504.

The previous prime is 84334381. The next prime is 84334427. The reversal of 84334385 is 58343348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39551521 + 44782864 = 6289^2 + 6692^2 .

It is a cyclic number.

It is not a de Polignac number, because 84334385 - 2² = 84334381 is a prime.

It is a super-2 number, since 2×84334385² = 14224576986656450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84334381) 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 3 ways as a sum of consecutive naturals, for example, 8433434 + ... + 8433443.

It is an arithmetic number, because the mean of its divisors is an integer number (25300317).

Almost surely, 2^84334385 is an apocalyptic number.

It is an amenable number.

84334385 is a deficient number, since it is larger than the sum of its proper divisors (16866883).

84334385 is a wasteful number, since it uses less digits than its factorization.

84334385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16866882.

The product of its digits is 138240, while the sum is 38.

The square root of 84334385 is about 9183.3754687479. The cubic root of 84334385 is about 438.5322737447.

The spelling of 84334385 in words is "eighty-four million, three hundred thirty-four thousand, three hundred eighty-five".