838341900 has 270 divisors, whose sum is σ = 2995503588. Its totient is φ = 201139200.

The previous prime is 838341871. The next prime is 838341913. The reversal of 838341900 is 9143838.

It is a tau number, because it is divible by the number of its divisors (270).

It is a super-2 number, since 2×838341900² = 1405634282591220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 8642652 + ... + 8642748.

Almost surely, 2^838341900 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 838341900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497751794).

838341900 is an abundant number, since it is smaller than the sum of its proper divisors (2157161688).

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

838341900 is a wasteful number, since it uses less digits than its factorization.

838341900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 838341900 is about 28954.1344198026. The cubic root of 838341900 is about 942.9175610634.

The spelling of 838341900 in words is "eight hundred thirty-eight million, three hundred forty-one thousand, nine hundred".