838942 has 16 divisors (see below), whose sum is σ = 1390032. Its totient is φ = 377280.

The previous prime is 838939. The next prime is 838949. The reversal of 838942 is 249838.

It is a junction number, because it is equal to n+sod(n) for n = 838898 and 838907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838949) 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, 673 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (86877).

2⁸³⁸⁹⁴² is an apocalyptic number.

838942 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

838942 is a deficient number, since it is larger than the sum of its proper divisors (551090).

838942 is a wasteful number, since it uses less digits than its factorization.

838942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

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

The square root of 838942 is about 915.9377708120. The cubic root of 838942 is about 94.3142493106.

It can be divided in two parts, 838 and 942, that multiplied together give a triangular number (789396 = T₁₂₅₆).

The spelling of 838942 in words is "eight hundred thirty-eight thousand, nine hundred forty-two".