8030320 has 20 divisors (see below), whose sum is σ = 18670680. Its totient is φ = 3212096.

The previous prime is 8030291. The next prime is 8030329. The reversal of 8030320 is 230308.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8030294 and 8030303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50110 + ... + 50269.

It is an arithmetic number, because the mean of its divisors is an integer number (933534).

Almost surely, 2^8030320 is an apocalyptic number.

8030320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8030320 is an abundant number, since it is smaller than the sum of its proper divisors (10640360).

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

8030320 is a wasteful number, since it uses less digits than its factorization.

8030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100392 (or 100386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 8030320 is about 2833.7819252723. The cubic root of 8030320 is about 200.2523481348.

Adding to 8030320 its reverse (230308), we get a palindrome (8260628).

The spelling of 8030320 in words is "eight million, thirty thousand, three hundred twenty".