838117274 has 4 divisors (see below), whose sum is σ = 1257175914. Its totient is φ = 419058636.

The previous prime is 838117261. The next prime is 838117297. The reversal of 838117274 is 472711838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472711838 = 2 ⋅236355919.

It can be written as a sum of positive squares in only one way, i.e., 820536025 + 17581249 = 28645^2 + 4193^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209529317 + ... + 209529320.

Almost surely, 2^838117274 is an apocalyptic number.

838117274 is a deficient number, since it is larger than the sum of its proper divisors (419058640).

838117274 is a wasteful number, since it uses less digits than its factorization.

838117274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419058639.

The product of its digits is 75264, while the sum is 41.

The square root of 838117274 is about 28950.2551629515. The cubic root of 838117274 is about 942.8333381786.

The spelling of 838117274 in words is "eight hundred thirty-eight million, one hundred seventeen thousand, two hundred seventy-four".