308706 has 16 divisors (see below), whose sum is σ = 644544. Its totient is φ = 98384.

The previous prime is 308701. The next prime is 308713. The reversal of 308706 is 607803.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (308701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (40284).

2³⁰⁸⁷⁰⁶ is an apocalyptic number.

308706 is an abundant number, since it is smaller than the sum of its proper divisors (335838).

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

308706 is a wasteful number, since it uses less digits than its factorization.

308706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 308706 is about 555.6131747898. The cubic root of 308706 is about 67.5846947832.

It can be divided in two parts, 30870 and 6, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 308706 in words is "three hundred eight thousand, seven hundred six".