838225 has 6 divisors (see below), whose sum is σ = 1039430. Its totient is φ = 670560.

The previous prime is 838207. The next prime is 838247. The reversal of 838225 is 522838.

It can be written as a sum of positive squares in 3 ways, for example, as 77841 + 760384 = 279^2 + 872^2 .

It is not a de Polignac number, because 838225 - 2⁵ = 838193 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 838193 and 838202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16740 + ... + 16789.

2⁸³⁸²²⁵ is an apocalyptic number.

It is an amenable number.

838225 is a deficient number, since it is larger than the sum of its proper divisors (201205).

838225 is a wasteful number, since it uses less digits than its factorization.

838225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33539 (or 33534 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 838225 is about 915.5462850124. The cubic root of 838225 is about 94.2873731616.

The spelling of 838225 in words is "eight hundred thirty-eight thousand, two hundred twenty-five".