938208040 has 128 divisors (see below), whose sum is σ = 2641766400. Its totient is φ = 291329280.

The previous prime is 938208023. The next prime is 938208041. The reversal of 938208040 is 40802839.

It is a junction number, because it is equal to n+sod(n) for n = 938207987 and 938208005.

It is not an unprimeable number, because it can be changed into a prime (938208041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1290157 + ... + 1290883.

It is an arithmetic number, because the mean of its divisors is an integer number (20638800).

Almost surely, 2^938208040 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 938208040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320883200).

938208040 is an abundant number, since it is smaller than the sum of its proper divisors (1703558360).

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

938208040 is a wasteful number, since it uses less digits than its factorization.

938208040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 938208040 is about 30630.1818473218. The cubic root of 938208040 is about 978.9632378800.

The spelling of 938208040 in words is "nine hundred thirty-eight million, two hundred eight thousand, forty".