84738219 has 8 divisors (see below), whose sum is σ = 114899520. Its totient is φ = 55534536.

The previous prime is 84738209. The next prime is 84738223. The reversal of 84738219 is 91283748.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84738219 - 2⁸ = 84737963 is a prime.

It is a super-2 number, since 2×84738219² = 14361131518583922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84738209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239197 + ... + 239550.

It is an arithmetic number, because the mean of its divisors is an integer number (14362440).

Almost surely, 2^84738219 is an apocalyptic number.

84738219 is a deficient number, since it is larger than the sum of its proper divisors (30161301).

84738219 is a wasteful number, since it uses less digits than its factorization.

84738219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478809.

The product of its digits is 96768, while the sum is 42.

The square root of 84738219 is about 9205.3364414344. The cubic root of 84738219 is about 439.2311279576.

The spelling of 84738219 in words is "eighty-four million, seven hundred thirty-eight thousand, two hundred nineteen".