84839411 has 2 divisors, whose sum is σ = 84839412. Its totient is φ = 84839410.

The previous prime is 84839407. The next prime is 84839453. The reversal of 84839411 is 11493848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84839411 - 2² = 84839407 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (84839011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42419705 + 42419706.

It is an arithmetic number, because the mean of its divisors is an integer number (42419706).

Almost surely, 2^84839411 is an apocalyptic number.

84839411 is a deficient number, since it is larger than the sum of its proper divisors (1).

84839411 is an equidigital number, since it uses as much as digits as its factorization.

84839411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 84839411 is about 9210.8311785636. The cubic root of 84839411 is about 439.4058975646.

The spelling of 84839411 in words is "eighty-four million, eight hundred thirty-nine thousand, four hundred eleven".