84683239 has 4 divisors (see below), whose sum is σ = 89664624. Its totient is φ = 79701856.

The previous prime is 84683213. The next prime is 84683251. The reversal of 84683239 is 93238648.

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

It is a cyclic number.

It is not a de Polignac number, because 84683239 - 2⁷ = 84683111 is a prime.

It is a super-2 number, since 2×84683239² = 14342501935062242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84683195 and 84683204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84683839) 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 in 3 ways as a sum of consecutive naturals, for example, 2490667 + ... + 2490700.

It is an arithmetic number, because the mean of its divisors is an integer number (22416156).

Almost surely, 2^84683239 is an apocalyptic number.

84683239 is a deficient number, since it is larger than the sum of its proper divisors (4981385).

84683239 is a wasteful number, since it uses less digits than its factorization.

84683239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981384.

The product of its digits is 248832, while the sum is 43.

The square root of 84683239 is about 9202.3496456068. The cubic root of 84683239 is about 439.1361131682.

The spelling of 84683239 in words is "eighty-four million, six hundred eighty-three thousand, two hundred thirty-nine".