838522 has 4 divisors (see below), whose sum is σ = 1257786. Its totient is φ = 419260.

The previous prime is 838517. The next prime is 838547. The reversal of 838522 is 225838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225838 = 2 ⋅112919.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 184041 = 809^2 + 429^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209629 + ... + 209632.

2⁸³⁸⁵²² is an apocalyptic number.

838522 is a deficient number, since it is larger than the sum of its proper divisors (419264).

838522 is a wasteful number, since it uses less digits than its factorization.

838522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419263.

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

The square root of 838522 is about 915.7084688917. The cubic root of 838522 is about 94.2985078184.

The spelling of 838522 in words is "eight hundred thirty-eight thousand, five hundred twenty-two".