838483830 has 48 divisors (see below), whose sum is σ = 2181563280. Its totient is φ = 223441344.

The previous prime is 838483829. The next prime is 838483847. The reversal of 838483830 is 38384838.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196156 + ... + 200384.

It is an arithmetic number, because the mean of its divisors is an integer number (45449235).

Almost surely, 2^838483830 is an apocalyptic number.

838483830 is an abundant number, since it is smaller than the sum of its proper divisors (1343079450).

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

838483830 is a wasteful number, since it uses less digits than its factorization.

838483830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 838483830 is about 28956.5852613874. The cubic root of 838483830 is about 942.9707695606.

It can be divided in two parts, 83848 and 3830, that added together give a palindrome (87678).

The spelling of 838483830 in words is "eight hundred thirty-eight million, four hundred eighty-three thousand, eight hundred thirty".