838401346 has 16 divisors (see below), whose sum is σ = 1265082624. Its totient is φ = 416713264.

The previous prime is 838401341. The next prime is 838401379. The reversal of 838401346 is 643104838.

It is a super-2 number, since 2×838401346² = 1405833633949223432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838401341) by changing a digit.

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, 458991 + ... + 460813.

It is an arithmetic number, because the mean of its divisors is an integer number (79067664).

Almost surely, 2^838401346 is an apocalyptic number.

838401346 is a deficient number, since it is larger than the sum of its proper divisors (426681278).

838401346 is a wasteful number, since it uses less digits than its factorization.

838401346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 838401346 is about 28955.1609562095. The cubic root of 838401346 is about 942.9398476557.

The spelling of 838401346 in words is "eight hundred thirty-eight million, four hundred one thousand, three hundred forty-six".