838550980 has 24 divisors (see below), whose sum is σ = 1808552088. Its totient is φ = 326354688.

The previous prime is 838550971. The next prime is 838550981. The reversal of 838550980 is 89055838.

It can be written as a sum of positive squares in 4 ways, for example, as 61591104 + 776959876 = 7848^2 + 27874^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 838550980.

It is not an unprimeable number, because it can be changed into a prime (838550981) 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, 565849 + ... + 567328.

It is an arithmetic number, because the mean of its divisors is an integer number (75356337).

Almost surely, 2^838550980 is an apocalyptic number.

It is an amenable number.

838550980 is an abundant number, since it is smaller than the sum of its proper divisors (970001108).

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

838550980 is a wasteful number, since it uses less digits than its factorization.

838550980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133223 (or 1133221 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 838550980 is about 28957.7447326272. The cubic root of 838550980 is about 942.9959415017.

The spelling of 838550980 in words is "eight hundred thirty-eight million, five hundred fifty thousand, nine hundred eighty".