838426 has 8 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 405660.

The previous prime is 838421. The next prime is 838429. The reversal of 838426 is 624838.

It is a happy number.

838426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (838421) 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, 6700 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2⁸³⁸⁴²⁶ is an apocalyptic number.

838426 is a deficient number, since it is larger than the sum of its proper divisors (459878).

838426 is a wasteful number, since it uses less digits than its factorization.

838426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556.

The product of its digits is 9216, while the sum is 31.

The square root of 838426 is about 915.6560489616. The cubic root of 838426 is about 94.2949090250.

The spelling of 838426 in words is "eight hundred thirty-eight thousand, four hundred twenty-six".