838913760 has 144 divisors (see below), whose sum is σ = 2968960176. Its totient is φ = 223699968.

The previous prime is 838913731. The next prime is 838913797. The reversal of 838913760 is 67319838.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28092 + ... + 49668.

It is an arithmetic number, because the mean of its divisors is an integer number (20617779).

Almost surely, 2^838913760 is an apocalyptic number.

838913760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838913760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484480088).

838913760 is an abundant number, since it is smaller than the sum of its proper divisors (2130046416).

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

838913760 is a wasteful number, since it uses less digits than its factorization.

838913760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21607 (or 21587 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 838913760 is about 28964.0080099423. The cubic root of 838913760 is about 943.1319104743.

The spelling of 838913760 in words is "eight hundred thirty-eight million, nine hundred thirteen thousand, seven hundred sixty".