838380984 has 48 divisors (see below), whose sum is σ = 2438152200. Its totient is φ = 239537088.

The previous prime is 838380937. The next prime is 838381007. The reversal of 838380984 is 489083838.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 355279 + ... + 357630.

Almost surely, 2^838380984 is an apocalyptic number.

838380984 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

838380984 is an abundant number, since it is smaller than the sum of its proper divisors (1599771216).

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

838380984 is a wasteful number, since it uses less digits than its factorization.

838380984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712932 (or 712921 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 838380984 is about 28954.8093414548. The cubic root of 838380984 is about 942.9322139623.

The spelling of 838380984 in words is "eight hundred thirty-eight million, three hundred eighty thousand, nine hundred eighty-four".