308936 has 24 divisors (see below), whose sum is σ = 613830. Its totient is φ = 145728.

The previous prime is 308933. The next prime is 308939. The reversal of 308936 is 639803.

It is an interprime number because it is at equal distance from previous prime (308933) and next prime (308939).

It can be written as a sum of positive squares in only one way, i.e., 256036 + 52900 = 506^2 + 230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 308899 and 308908.

It is not an unprimeable number, because it can be changed into a prime (308933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4196 + ... + 4268.

2³⁰⁸⁹³⁶ is an apocalyptic number.

It is an amenable number.

308936 is a deficient number, since it is larger than the sum of its proper divisors (304894).

308936 is a wasteful number, since it uses less digits than its factorization.

308936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 308936 is about 555.8201147854. The cubic root of 308936 is about 67.6014751729.

It can be divided in two parts, 3089 and 36, that added together give a 5-th power (3125 = 5⁵).

The spelling of 308936 in words is "three hundred eight thousand, nine hundred thirty-six".