308894 has 8 divisors (see below), whose sum is σ = 474768. Its totient is φ = 150640.

The previous prime is 308887. The next prime is 308899. The reversal of 308894 is 498803.

308894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 308894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308899) by changing a digit.

308894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (59346).

2³⁰⁸⁸⁹⁴ is an apocalyptic number.

308894 is a deficient number, since it is larger than the sum of its proper divisors (165874).

308894 is a wasteful number, since it uses less digits than its factorization.

308894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 308894 is about 555.7823314932. The cubic root of 308894 is about 67.5984115496.

The spelling of 308894 in words is "three hundred eight thousand, eight hundred ninety-four".