84434646 has 16 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 28065768.

The previous prime is 84434641. The next prime is 84434653. The reversal of 84434646 is 64643448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84434641) 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 7 ways as a sum of consecutive naturals, for example, 17446 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (10584000).

Almost surely, 2^84434646 is an apocalyptic number.

84434646 is an abundant number, since it is smaller than the sum of its proper divisors (84909354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84434646 is a wasteful number, since it uses less digits than its factorization.

84434646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39563.

The product of its digits is 221184, while the sum is 39.

The square root of 84434646 is about 9188.8326788554. The cubic root of 84434646 is about 438.7059880690.

The spelling of 84434646 in words is "eighty-four million, four hundred thirty-four thousand, six hundred forty-six".