838890204 has 48 divisors (see below), whose sum is σ = 2069558400. Its totient is φ = 263739456.

The previous prime is 838890203. The next prime is 838890209. The reversal of 838890204 is 402098838.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838890203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44179 + ... + 60245.

It is an arithmetic number, because the mean of its divisors is an integer number (43115800).

Almost surely, 2^838890204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838890204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034779200).

838890204 is an abundant number, since it is smaller than the sum of its proper divisors (1230668196).

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

838890204 is a wasteful number, since it uses less digits than its factorization.

838890204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322 (or 16320 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 838890204 is about 28963.6013644712. The cubic root of 838890204 is about 943.1230829387.

The spelling of 838890204 in words is "eight hundred thirty-eight million, eight hundred ninety thousand, two hundred four".