944138 has 8 divisors (see below), whose sum is σ = 1525188. Its totient is φ = 435744.

The previous prime is 944137. The next prime is 944143. The reversal of 944138 is 831449.

It can be written as a sum of positive squares in 2 ways, for example, as 797449 + 146689 = 893^2 + 383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 944138.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 944138.

It is not an unprimeable number, because it can be changed into a prime (944137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18131 + ... + 18182.

2⁹⁴⁴¹³⁸ is an apocalyptic number.

944138 is a deficient number, since it is larger than the sum of its proper divisors (581050).

944138 is a wasteful number, since it uses less digits than its factorization.

944138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36328.

The product of its digits is 3456, while the sum is 29.

The square root of 944138 is about 971.6676386502. The cubic root of 944138 is about 98.1021425657.

The spelling of 944138 in words is "nine hundred forty-four thousand, one hundred thirty-eight".