838242816 has 40 divisors (see below), whose sum is σ = 2233135344. Its totient is φ = 279413760.

The previous prime is 838242803. The next prime is 838242833. The reversal of 838242816 is 618242838.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271330 + ... + 274401.

Almost surely, 2^838242816 is an apocalyptic number.

It is an amenable number.

838242816 is an abundant number, since it is smaller than the sum of its proper divisors (1394892528).

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

838242816 is an equidigital number, since it uses as much as digits as its factorization.

838242816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545752 (or 545736 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 838242816 is about 28952.4233182647. The cubic root of 838242816 is about 942.8804116519.

The spelling of 838242816 in words is "eight hundred thirty-eight million, two hundred forty-two thousand, eight hundred sixteen".