396838 has 8 divisors (see below), whose sum is σ = 641088. Its totient is φ = 183144.

The previous prime is 396833. The next prime is 396871. The reversal of 396838 is 838693.

It is a happy number.

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

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 396797 and 396806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396833) 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, 7606 + ... + 7657.

It is an arithmetic number, because the mean of its divisors is an integer number (80136).

2³⁹⁶⁸³⁸ is an apocalyptic number.

396838 is a deficient number, since it is larger than the sum of its proper divisors (244250).

396838 is a wasteful number, since it uses less digits than its factorization.

396838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15278.

The product of its digits is 31104, while the sum is 37.

The square root of 396838 is about 629.9507917290. The cubic root of 396838 is about 73.4859676730.

The spelling of 396838 in words is "three hundred ninety-six thousand, eight hundred thirty-eight".