838449680 has 40 divisors (see below), whose sum is σ = 1951012032. Its totient is φ = 335101824.

The previous prime is 838449641. The next prime is 838449683. The reversal of 838449680 is 86944838.

838449680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (838449683) 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, 112139 + ... + 119381.

Almost surely, 2^838449680 is an apocalyptic number.

838449680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

838449680 is an abundant number, since it is smaller than the sum of its proper divisors (1112562352).

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

838449680 is a wasteful number, since it uses less digits than its factorization.

838449680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703 (or 8697 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 838449680 is about 28955.9955794996. The cubic root of 838449680 is about 942.9579675292.

The spelling of 838449680 in words is "eight hundred thirty-eight million, four hundred forty-nine thousand, six hundred eighty".