383444 has 12 divisors (see below), whose sum is σ = 675444. Its totient is φ = 190464.

The previous prime is 383429. The next prime is 383459. The reversal of 383444 is 444383.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (383429) and next prime (383459).

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 67600 = 562^2 + 260^2 .

It is a super-2 number, since 2×383444² = 294058602272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

383444 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, 842 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (56287).

2³⁸³⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

383444 is a deficient number, since it is larger than the sum of its proper divisors (292000).

383444 is a wasteful number, since it uses less digits than its factorization.

383444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 383444 is about 619.2285523133. The cubic root of 383444 is about 72.6497262459.

The spelling of 383444 in words is "three hundred eighty-three thousand, four hundred forty-four".