308885 has 8 divisors (see below), whose sum is σ = 373920. Its totient is φ = 244944.

The previous prime is 308857. The next prime is 308887. The reversal of 308885 is 588803.

308885 = T₃₄₉ + T₃₅₀ + ... + T₃₅₃.

It is a happy number.

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 308885 - 2¹² = 304789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308887) 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, 626 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (46740).

2³⁰⁸⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

308885 is a deficient number, since it is larger than the sum of its proper divisors (65035).

308885 is a wasteful number, since it uses less digits than its factorization.

308885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 308885 is about 555.7742347393. The cubic root of 308885 is about 67.5977550227.

The spelling of 308885 in words is "three hundred eight thousand, eight hundred eighty-five".