938840378 has 8 divisors (see below), whose sum is σ = 1609440672. Its totient is φ = 402360156.

The previous prime is 938840377. The next prime is 938840393. The reversal of 938840378 is 873048839.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (938840377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33530000 + ... + 33530027.

It is an arithmetic number, because the mean of its divisors is an integer number (201180084).

Almost surely, 2^938840378 is an apocalyptic number.

938840378 is a deficient number, since it is larger than the sum of its proper divisors (670600294).

938840378 is a wasteful number, since it uses less digits than its factorization.

938840378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67060036.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 938840378 is about 30640.5022478418. The cubic root of 938840378 is about 979.1831239493.

The spelling of 938840378 in words is "nine hundred thirty-eight million, eight hundred forty thousand, three hundred seventy-eight".