838397 has 4 divisors (see below), whose sum is σ = 958176. Its totient is φ = 718620.

The previous prime is 838393. The next prime is 838399. The reversal of 838397 is 793838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793838 = 2 ⋅396919.

It is not a de Polignac number, because 838397 - 2² = 838393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59879 + ... + 59892.

It is an arithmetic number, because the mean of its divisors is an integer number (239544).

2⁸³⁸³⁹⁷ is an apocalyptic number.

It is an amenable number.

838397 is a deficient number, since it is larger than the sum of its proper divisors (119779).

838397 is a wasteful number, since it uses less digits than its factorization.

838397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119778.

The product of its digits is 36288, while the sum is 38.

The square root of 838397 is about 915.6402131842. The cubic root of 838397 is about 94.2938218355.

The spelling of 838397 in words is "eight hundred thirty-eight thousand, three hundred ninety-seven".