320836434 has 8 divisors (see below), whose sum is σ = 641672880. Its totient is φ = 106945476.

The previous prime is 320836381. The next prime is 320836441. The reversal of 320836434 is 434638023.

It is a sphenic number, since it is the product of 3 distinct primes.

320836434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 320836395 and 320836404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26736364 + ... + 26736375.

It is an arithmetic number, because the mean of its divisors is an integer number (80209110).

Almost surely, 2^320836434 is an apocalyptic number.

320836434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320836434 is a wasteful number, since it uses less digits than its factorization.

320836434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53472744.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 320836434 is about 17911.9076036027. The cubic root of 320836434 is about 684.5858110222.

The spelling of 320836434 in words is "three hundred twenty million, eight hundred thirty-six thousand, four hundred thirty-four".