838475318 has 24 divisors (see below), whose sum is σ = 1332985368. Its totient is φ = 395333568.

The previous prime is 838475303. The next prime is 838475329. The reversal of 838475318 is 813574838.

It is a happy number.

It is a super-2 number, since 2×838475318² = 1406081717790402248, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 66530 + ... + 78122.

It is an arithmetic number, because the mean of its divisors is an integer number (55541057).

Almost surely, 2^838475318 is an apocalyptic number.

838475318 is a deficient number, since it is larger than the sum of its proper divisors (494510050).

838475318 is a wasteful number, since it uses less digits than its factorization.

838475318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696 (or 11667 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 838475318 is about 28956.4382823579. The cubic root of 838475318 is about 942.9675786446.

The spelling of 838475318 in words is "eight hundred thirty-eight million, four hundred seventy-five thousand, three hundred eighteen".