84382394 has 4 divisors (see below), whose sum is σ = 126573594. Its totient is φ = 42191196.

The previous prime is 84382367. The next prime is 84382399. The reversal of 84382394 is 49328348.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 8779369 = 8695^2 + 2963^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84382399) 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 as a sum of consecutive naturals, namely, 21095597 + ... + 21095600.

Almost surely, 2^84382394 is an apocalyptic number.

84382394 is a deficient number, since it is larger than the sum of its proper divisors (42191200).

84382394 is a wasteful number, since it uses less digits than its factorization.

84382394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42191199.

The product of its digits is 165888, while the sum is 41.

The square root of 84382394 is about 9185.9890050010. The cubic root of 84382394 is about 438.6154723205.

The spelling of 84382394 in words is "eighty-four million, three hundred eighty-two thousand, three hundred ninety-four".