838475320 has 32 divisors (see below), whose sum is σ = 1985864400. Its totient is φ = 317737728.

The previous prime is 838475303. The next prime is 838475329. The reversal of 838475320 is 23574838.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838475329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550869 + ... + 552388.

Almost surely, 2^838475320 is an apocalyptic number.

It is an amenable number.

838475320 is an abundant number, since it is smaller than the sum of its proper divisors (1147389080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838475320 is a wasteful number, since it uses less digits than its factorization.

838475320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103287 (or 1103283 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 838475320 is about 28956.4383168925. The cubic root of 838475320 is about 942.9675793943.

The spelling of 838475320 in words is "eight hundred thirty-eight million, four hundred seventy-five thousand, three hundred twenty".