838443630 has 16 divisors (see below), whose sum is σ = 2012264784. Its totient is φ = 223584960.

The previous prime is 838443601. The next prime is 838443649. The reversal of 838443630 is 36344838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13974031 + ... + 13974090.

It is an arithmetic number, because the mean of its divisors is an integer number (125766549).

Almost surely, 2^838443630 is an apocalyptic number.

838443630 is an abundant number, since it is smaller than the sum of its proper divisors (1173821154).

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

838443630 is a wasteful number, since it uses less digits than its factorization.

838443630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948131.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 838443630 is about 28955.8911104459. The cubic root of 838443630 is about 942.9556994903.

The spelling of 838443630 in words is "eight hundred thirty-eight million, four hundred forty-three thousand, six hundred thirty".