838898 has 4 divisors (see below), whose sum is σ = 1258350. Its totient is φ = 419448.

The previous prime is 838897. The next prime is 838909. The reversal of 838898 is 898838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898838 = 2 ⋅449419.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 5329 = 913^2 + 73^2 .

It is not an unprimeable number, because it can be changed into a prime (838897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209723 + ... + 209726.

2⁸³⁸⁸⁹⁸ is an apocalyptic number.

838898 is a deficient number, since it is larger than the sum of its proper divisors (419452).

838898 is a wasteful number, since it uses less digits than its factorization.

838898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419451.

The product of its digits is 110592, while the sum is 44.

The square root of 838898 is about 915.9137513980. The cubic root of 838898 is about 94.3126004483.

The spelling of 838898 in words is "eight hundred thirty-eight thousand, eight hundred ninety-eight".