307444 has 12 divisors (see below), whose sum is σ = 544068. Its totient is φ = 152000.

The previous prime is 307423. The next prime is 307451. The reversal of 307444 is 444703.

It can be written as a sum of positive squares in 2 ways, for example, as 131044 + 176400 = 362^2 + 420^2 .

It is a congruent number.

It is an unprimeable number.

307444 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 in 3 ways as a sum of consecutive naturals, for example, 24 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (45339).

2³⁰⁷⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

307444 is a deficient number, since it is larger than the sum of its proper divisors (236624).

307444 is a wasteful number, since it uses less digits than its factorization.

307444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 307444 is about 554.4763295218. The cubic root of 307444 is about 67.4924728689.

The spelling of 307444 in words is "three hundred seven thousand, four hundred forty-four", and thus it is an iban number.