838348642 has 16 divisors (see below), whose sum is σ = 1334551680. Its totient is φ = 393611328.

The previous prime is 838348639. The next prime is 838348663. The reversal of 838348642 is 246843838.

It is a junction number, because it is equal to n+sod(n) for n = 838348592 and 838348601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13158 + ... + 43009.

It is an arithmetic number, because the mean of its divisors is an integer number (83409480).

Almost surely, 2^838348642 is an apocalyptic number.

838348642 is a deficient number, since it is larger than the sum of its proper divisors (496203038).

838348642 is a wasteful number, since it uses less digits than its factorization.

838348642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56625.

The product of its digits is 884736, while the sum is 46.

The square root of 838348642 is about 28954.2508450832. The cubic root of 838348642 is about 942.9200887247.

The spelling of 838348642 in words is "eight hundred thirty-eight million, three hundred forty-eight thousand, six hundred forty-two".