84334429 has 2 divisors, whose sum is σ = 84334430. Its totient is φ = 84334428.

The previous prime is 84334427. The next prime is 84334451. The reversal of 84334429 is 92443348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77968900 + 6365529 = 8830^2 + 2523^2 .

It is a cyclic number.

It is not a de Polignac number, because 84334429 - 2¹ = 84334427 is a prime.

It is a super-2 number, since 2×84334429² = 14224591829512082, which contains 22 as substring.

Together with 84334427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84334427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42167214 + 42167215.

It is an arithmetic number, because the mean of its divisors is an integer number (42167215).

Almost surely, 2^84334429 is an apocalyptic number.

It is an amenable number.

84334429 is a deficient number, since it is larger than the sum of its proper divisors (1).

84334429 is an equidigital number, since it uses as much as digits as its factorization.

84334429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 84334429 is about 9183.3778643808. The cubic root of 84334429 is about 438.5323500102.

The spelling of 84334429 in words is "eighty-four million, three hundred thirty-four thousand, four hundred twenty-nine".