838946 has 4 divisors (see below), whose sum is σ = 1258422. Its totient is φ = 419472.

The previous prime is 838939. The next prime is 838949. The reversal of 838946 is 649838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 9025 = 911^2 + 95^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (838949) by changing a digit.

838946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209735 + ... + 209738.

2⁸³⁸⁹⁴⁶ is an apocalyptic number.

838946 is a deficient number, since it is larger than the sum of its proper divisors (419476).

838946 is a wasteful number, since it uses less digits than its factorization.

838946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419475.

The product of its digits is 41472, while the sum is 38.

The square root of 838946 is about 915.9399543638. The cubic root of 838946 is about 94.3143992043.

The spelling of 838946 in words is "eight hundred thirty-eight thousand, nine hundred forty-six".