938855680 has 108 divisors (see below), whose sum is σ = 2616187140. Its totient is φ = 321871872.

The previous prime is 938855669. The next prime is 938855689. The reversal of 938855680 is 86558839.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103876864 + 834978816 = 10192^2 + 28896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938855689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55236 + ... + 70204.

It is an arithmetic number, because the mean of its divisors is an integer number (24223955).

Almost surely, 2^938855680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308093570).

938855680 is an abundant number, since it is smaller than the sum of its proper divisors (1677331460).

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

938855680 is a wasteful number, since it uses less digits than its factorization.

938855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15004 (or 14983 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 938855680 is about 30640.7519489976. The cubic root of 938855680 is about 979.1884437670.

The spelling of 938855680 in words is "nine hundred thirty-eight million, eight hundred fifty-five thousand, six hundred eighty".