308944 has 10 divisors (see below), whose sum is σ = 598610. Its totient is φ = 154464.

The previous prime is 308939. The next prime is 308951. The reversal of 308944 is 449803.

308944 = 2² + 3² + ... + 97².

It can be written as a sum of positive squares in only one way, i.e., 211600 + 97344 = 460^2 + 312^2 .

It is a congruent number.

It is an unprimeable number.

308944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9639 + ... + 9670.

It is an arithmetic number, because the mean of its divisors is an integer number (59861).

2³⁰⁸⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

308944 is a deficient number, since it is larger than the sum of its proper divisors (289666).

308944 is a wasteful number, since it uses less digits than its factorization.

308944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317 (or 19311 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 308944 is about 555.8273113117. The cubic root of 308944 is about 67.6020586887.

The spelling of 308944 in words is "three hundred eight thousand, nine hundred forty-four".