943438 has 4 divisors (see below), whose sum is σ = 1415160. Its totient is φ = 471718.

The previous prime is 943429. The next prime is 943471. The reversal of 943438 is 834349.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834349 = 239 ⋅3491.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

943438 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 as a sum of consecutive naturals, namely, 235858 + ... + 235861.

It is an arithmetic number, because the mean of its divisors is an integer number (353790).

2⁹⁴³⁴³⁸ is an apocalyptic number.

943438 is a deficient number, since it is larger than the sum of its proper divisors (471722).

943438 is a wasteful number, since it uses less digits than its factorization.

943438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471721.

The product of its digits is 10368, while the sum is 31.

The square root of 943438 is about 971.3073663882. The cubic root of 943438 is about 98.0778917047.

The spelling of 943438 in words is "nine hundred forty-three thousand, four hundred thirty-eight".