938842 has 16 divisors (see below), whose sum is σ = 1522152. Its totient is φ = 432640.

The previous prime is 938831. The next prime is 938843. The reversal of 938842 is 248839.

It can be written as a sum of positive squares in 4 ways, for example, as 885481 + 53361 = 941^2 + 231^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 938798 and 938807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 2062.

2⁹³⁸⁸⁴² is an apocalyptic number.

938842 is a deficient number, since it is larger than the sum of its proper divisors (583310).

938842 is a wasteful number, since it uses less digits than its factorization.

938842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 13824, while the sum is 34.

The square root of 938842 is about 968.9385945456. The cubic root of 938842 is about 97.9183687849.

The spelling of 938842 in words is "nine hundred thirty-eight thousand, eight hundred forty-two".