84474482 has 4 divisors (see below), whose sum is σ = 126711726. Its totient is φ = 42237240.

The previous prime is 84474461. The next prime is 84474491. The reversal of 84474482 is 28447448.

It is a Cunningham number, because it is equal to 9191²+1.

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., 84474481 + 1 = 9191^2 + 1^2 .

It is an unprimeable number.

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, 21118619 + ... + 21118622.

Almost surely, 2^84474482 is an apocalyptic number.

84474482 is a deficient number, since it is larger than the sum of its proper divisors (42237244).

84474482 is a wasteful number, since it uses less digits than its factorization.

84474482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42237243.

The product of its digits is 229376, while the sum is 41.

The square root of 84474482 is about 9191.0000544010. Note that the first 4 decimals coincide. The cubic root of 84474482 is about 438.7749705893.

The spelling of 84474482 in words is "eighty-four million, four hundred seventy-four thousand, four hundred eighty-two".