938341440 has 84 divisors (see below), whose sum is σ = 3227513484. Its totient is φ = 250223616.

The previous prime is 938341427. The next prime is 938341441. The reversal of 938341440 is 44143839.

It can be written as a sum of positive squares in 2 ways, for example, as 188457984 + 749883456 = 13728^2 + 27384^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 938341395 and 938341404.

It is not an unprimeable number, because it can be changed into a prime (938341441) by changing a digit.

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, 160027 + ... + 165786.

Almost surely, 2^938341440 is an apocalyptic number.

938341440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

938341440 is an abundant number, since it is smaller than the sum of its proper divisors (2289172044).

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

938341440 is a wasteful number, since it uses less digits than its factorization.

938341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325836 (or 325823 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 938341440 is about 30632.3593606500. The cubic root of 938341440 is about 979.0096339533.

It can be divided in two parts, 938 and 341440, that added together give a triangular number (342378 = T₈₂₇).

The spelling of 938341440 in words is "nine hundred thirty-eight million, three hundred forty-one thousand, four hundred forty".