84434355 has 24 divisors (see below), whose sum is σ = 148363488. Its totient is φ = 44413056.

The previous prime is 84434351. The next prime is 84434377. The reversal of 84434355 is 55343448.

It is not a de Polignac number, because 84434355 - 2² = 84434351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84434351) 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 23 ways as a sum of consecutive naturals, for example, 9567 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (6181812).

Almost surely, 2^84434355 is an apocalyptic number.

84434355 is a deficient number, since it is larger than the sum of its proper divisors (63929133).

84434355 is a wasteful number, since it uses less digits than its factorization.

84434355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787 (or 25784 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 84434355 is about 9188.8168444039. The cubic root of 84434355 is about 438.7054840753.

The spelling of 84434355 in words is "eighty-four million, four hundred thirty-four thousand, three hundred fifty-five".