308844 has 36 divisors (see below), whose sum is σ = 816816. Its totient is φ = 98208.

The previous prime is 308827. The next prime is 308849. The reversal of 308844 is 448803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (308849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 642 + ... + 1014.

2³⁰⁸⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408408).

308844 is an abundant number, since it is smaller than the sum of its proper divisors (507972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308844 is a wasteful number, since it uses less digits than its factorization.

308844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 308844 is about 555.7373480341. The cubic root of 308844 is about 67.5947640168.

It can be divided in two parts, 308 and 844, that multiplied together give a palindrome (259952).

The spelling of 308844 in words is "three hundred eight thousand, eight hundred forty-four".