308860 has 12 divisors (see below), whose sum is σ = 648648. Its totient is φ = 123536.

The previous prime is 308857. The next prime is 308887. The reversal of 308860 is 68803.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7702 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (54054).

2³⁰⁸⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

308860 is an abundant number, since it is smaller than the sum of its proper divisors (339788).

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

308860 is a wasteful number, since it uses less digits than its factorization.

308860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452 (or 15450 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 308860 is about 555.7517431372. The cubic root of 308860 is about 67.5959312701.

The spelling of 308860 in words is "three hundred eight thousand, eight hundred sixty".