838167980 has 48 divisors (see below), whose sum is σ = 1898045184. Its totient is φ = 309070080.

The previous prime is 838167973. The next prime is 838168007. The reversal of 838167980 is 89761838.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256034 + ... + 259286.

It is an arithmetic number, because the mean of its divisors is an integer number (39542608).

Almost surely, 2^838167980 is an apocalyptic number.

It is an amenable number.

838167980 is an abundant number, since it is smaller than the sum of its proper divisors (1059877204).

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

838167980 is a wasteful number, since it uses less digits than its factorization.

838167980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 838167980 is about 28951.1308932829. The cubic root of 838167980 is about 942.8523515651.

The spelling of 838167980 in words is "eight hundred thirty-eight million, one hundred sixty-seven thousand, nine hundred eighty".