838508432 has 20 divisors (see below), whose sum is σ = 1625062656. Its totient is φ = 419137440.

The previous prime is 838508431. The next prime is 838508519. The reversal of 838508432 is 234805838.

It is a self number, because there is not a number n which added to its sum of digits gives 838508432.

It is not an unprimeable number, because it can be changed into a prime (838508431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 97757 + ... + 105987.

Almost surely, 2^838508432 is an apocalyptic number.

It is an amenable number.

838508432 is a deficient number, since it is larger than the sum of its proper divisors (786554224).

838508432 is a wasteful number, since it uses less digits than its factorization.

838508432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606 (or 14600 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 838508432 is about 28957.0100666488. The cubic root of 838508432 is about 942.9799920560.

The spelling of 838508432 in words is "eight hundred thirty-eight million, five hundred eight thousand, four hundred thirty-two".