838189480 has 16 divisors (see below), whose sum is σ = 1885926420. Its totient is φ = 335275776.

The previous prime is 838189463. The next prime is 838189507. The reversal of 838189480 is 84981838.

838189480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 744525796 + 93663684 = 27286^2 + 9678^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10477329 + ... + 10477408.

Almost surely, 2^838189480 is an apocalyptic number.

It is an amenable number.

838189480 is an abundant number, since it is smaller than the sum of its proper divisors (1047736940).

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

838189480 is a wasteful number, since it uses less digits than its factorization.

838189480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20954748 (or 20954744 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 838189480 is about 28951.5022062759. The cubic root of 838189480 is about 942.8604132555.

The spelling of 838189480 in words is "eight hundred thirty-eight million, one hundred eighty-nine thousand, four hundred eighty".