838337994 has 96 divisors (see below), whose sum is σ = 2080391040. Its totient is φ = 241997184.

The previous prime is 838337993. The next prime is 838338001. The reversal of 838337994 is 499733838.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 838337994.

It is not an unprimeable number, because it can be changed into a prime (838337993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283777 + ... + 286715.

It is an arithmetic number, because the mean of its divisors is an integer number (21670740).

Almost surely, 2^838337994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838337994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040195520).

838337994 is an abundant number, since it is smaller than the sum of its proper divisors (1242053046).

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

838337994 is a wasteful number, since it uses less digits than its factorization.

838337994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3033 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 838337994 is about 28954.0669682171. The cubic root of 838337994 is about 942.9160966482.

The spelling of 838337994 in words is "eight hundred thirty-eight million, three hundred thirty-seven thousand, nine hundred ninety-four".