308956 has 6 divisors (see below), whose sum is σ = 540680. Its totient is φ = 154476.

The previous prime is 308951. The next prime is 308989. The reversal of 308956 is 659803.

308956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308951) by changing a digit.

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 as a sum of consecutive naturals, namely, 38616 + ... + 38623.

2³⁰⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

308956 is a deficient number, since it is larger than the sum of its proper divisors (231724).

308956 is a wasteful number, since it uses less digits than its factorization.

308956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77243 (or 77241 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 308956 is about 555.8381059265. The cubic root of 308956 is about 67.6029339436.

The spelling of 308956 in words is "three hundred eight thousand, nine hundred fifty-six".