308673 has 6 divisors (see below), whose sum is σ = 445874. Its totient is φ = 205776.

The previous prime is 308663. The next prime is 308681. The reversal of 308673 is 376803.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 304704 + 3969 = 552^2 + 63^2 .

It is not a de Polignac number, because 308673 - 2⁵ = 308641 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (308663) 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, 17140 + ... + 17157.

2³⁰⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

308673 is a deficient number, since it is larger than the sum of its proper divisors (137201).

308673 is a wasteful number, since it uses less digits than its factorization.

308673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34303 (or 34300 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 308673 is about 555.5834770761. The cubic root of 308673 is about 67.5822864784.

The spelling of 308673 in words is "three hundred eight thousand, six hundred seventy-three".