308485 has 8 divisors (see below), whose sum is σ = 374400. Its totient is φ = 243984.

The previous prime is 308467. The next prime is 308489. The reversal of 308485 is 584803.

308485 is nontrivially palindromic in base 7.

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

It is a cyclic number.

It is not a de Polignac number, because 308485 - 2¹¹ = 306437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308489) 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, 216 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2³⁰⁸⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

308485 is a deficient number, since it is larger than the sum of its proper divisors (65915).

308485 is a wasteful number, since it uses less digits than its factorization.

308485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 308485 is about 555.4142598097. The cubic root of 308485 is about 67.5685631637.

It can be divided in two parts, 30 and 8485, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 308485 in words is "three hundred eight thousand, four hundred eighty-five".