84628434 has 32 divisors (see below), whose sum is σ = 186992640. Its totient is φ = 25318800.

The previous prime is 84628433. The next prime is 84628441. The reversal of 84628434 is 43482648.

It is a junction number, because it is equal to n+sod(n) for n = 84628392 and 84628401.

It is not an unprimeable number, because it can be changed into a prime (84628433) 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 15 ways as a sum of consecutive naturals, for example, 2902 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (5843520).

Almost surely, 2^84628434 is an apocalyptic number.

84628434 is an abundant number, since it is smaller than the sum of its proper divisors (102364206).

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

84628434 is a wasteful number, since it uses less digits than its factorization.

84628434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16326.

The product of its digits is 147456, while the sum is 39.

The square root of 84628434 is about 9199.3713915680. The cubic root of 84628434 is about 439.0413598709.

The spelling of 84628434 in words is "eighty-four million, six hundred twenty-eight thousand, four hundred thirty-four".