84920219 has 8 divisors (see below), whose sum is σ = 90118080. Its totient is φ = 79744896.

The previous prime is 84920203. The next prime is 84920221. The reversal of 84920219 is 91202948.

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

It is a cyclic number.

It is not a de Polignac number, because 84920219 - 2⁴ = 84920203 is a prime.

It is a super-2 number, since 2×84920219² = 14422887190015922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84920279) 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, 2477 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (11264760).

Almost surely, 2^84920219 is an apocalyptic number.

84920219 is a deficient number, since it is larger than the sum of its proper divisors (5197861).

84920219 is a wasteful number, since it uses less digits than its factorization.

84920219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 84920219 is about 9215.2167093346. The cubic root of 84920219 is about 439.5453620104.

The spelling of 84920219 in words is "eighty-four million, nine hundred twenty thousand, two hundred nineteen".