308973 has 8 divisors (see below), whose sum is σ = 470848. Its totient is φ = 176544.

The previous prime is 308951. The next prime is 308989. The reversal of 308973 is 379803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 308973 - 2¹⁶ = 243437 is a prime.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 308973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308923) 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, 7336 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (58856).

2³⁰⁸⁹⁷³ is an apocalyptic number.

It is an amenable number.

308973 is a deficient number, since it is larger than the sum of its proper divisors (161875).

308973 is a wasteful number, since it uses less digits than its factorization.

308973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 308973 is about 555.8533979387. The cubic root of 308973 is about 67.6041738492.

The spelling of 308973 in words is "three hundred eight thousand, nine hundred seventy-three".