308080 has 20 divisors (see below), whose sum is σ = 716472. Its totient is φ = 123200.

The previous prime is 308051. The next prime is 308081. The reversal of 308080 is 80803.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308081) by changing a digit.

308080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846 + ... + 2005.

2³⁰⁸⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

308080 is an abundant number, since it is smaller than the sum of its proper divisors (408392).

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

308080 is a wasteful number, since it uses less digits than its factorization.

308080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 308080 is about 555.0495473379. The cubic root of 308080 is about 67.5389806854.

Adding to 308080 its reverse (80803), we get a palindrome (388883).

It can be divided in two parts, 3080 and 80, that added together give a triangular number (3160 = T₇₉).

The spelling of 308080 in words is "three hundred eight thousand, eighty".