806342320 has 80 divisors (see below), whose sum is σ = 2174646528. Its totient is φ = 272321280.

The previous prime is 806342297. The next prime is 806342323. The reversal of 806342320 is 23243608.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (806342323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26775 + ... + 48265.

Almost surely, 2^806342320 is an apocalyptic number.

806342320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806342320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087323264).

806342320 is an abundant number, since it is smaller than the sum of its proper divisors (1368304208).

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

806342320 is a wasteful number, since it uses less digits than its factorization.

806342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578 (or 21572 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 806342320 is about 28396.1673470206. The cubic root of 806342320 is about 930.7645156828.

Adding to 806342320 its reverse (23243608), we get a palindrome (829585928).

The spelling of 806342320 in words is "eight hundred six million, three hundred forty-two thousand, three hundred twenty".