938138372 has 12 divisors (see below), whose sum is σ = 1672718796. Its totient is φ = 460218720.

The previous prime is 938138303. The next prime is 938138389. The reversal of 938138372 is 273831839.

It can be written as a sum of positive squares in 2 ways, for example, as 803949316 + 134189056 = 28354^2 + 11584^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2212379 + ... + 2212802.

It is an arithmetic number, because the mean of its divisors is an integer number (139393233).

Almost surely, 2^938138372 is an apocalyptic number.

It is an amenable number.

938138372 is a deficient number, since it is larger than the sum of its proper divisors (734580424).

938138372 is a wasteful number, since it uses less digits than its factorization.

938138372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425238 (or 4425236 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 938138372 is about 30629.0445818997. The cubic root of 938138372 is about 978.9390058347.

The spelling of 938138372 in words is "nine hundred thirty-eight million, one hundred thirty-eight thousand, three hundred seventy-two".