8320434 has 16 divisors (see below), whose sum is σ = 17364672. Its totient is φ = 2652848.

The previous prime is 8320409. The next prime is 8320451. The reversal of 8320434 is 4340238.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30009 + ... + 30284.

It is an arithmetic number, because the mean of its divisors is an integer number (1085292).

Almost surely, 2^8320434 is an apocalyptic number.

8320434 is an abundant number, since it is smaller than the sum of its proper divisors (9044238).

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

8320434 is a wasteful number, since it uses less digits than its factorization.

8320434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60321.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 8320434 is about 2884.5162506042. The cubic root of 8320434 is about 202.6354040295.

It can be divided in two parts, 83204 and 34, that added together give a palindrome (83238).

The spelling of 8320434 in words is "eight million, three hundred twenty thousand, four hundred thirty-four".