84160394 has 4 divisors (see below), whose sum is σ = 126240594. Its totient is φ = 42080196.

The previous prime is 84160369. The next prime is 84160397. The reversal of 84160394 is 49306148.

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., 75082225 + 9078169 = 8665^2 + 3013^2 .

It is not an unprimeable number, because it can be changed into a prime (84160397) 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 as a sum of consecutive naturals, namely, 21040097 + ... + 21040100.

Almost surely, 2^84160394 is an apocalyptic number.

84160394 is a deficient number, since it is larger than the sum of its proper divisors (42080200).

84160394 is a wasteful number, since it uses less digits than its factorization.

84160394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42080199.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 84160394 is about 9173.8974269391. The cubic root of 84160394 is about 438.2304861988.

The spelling of 84160394 in words is "eighty-four million, one hundred sixty thousand, three hundred ninety-four".