838217046 has 16 divisors (see below), whose sum is σ = 1679450544. Its totient is φ = 278902944.

The previous prime is 838217021. The next prime is 838217047. The reversal of 838217046 is 640712838.

It is a super-2 number, since 2×838217046² = 1405215632409932232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 838216995 and 838217013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838217047) 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, 122065 + ... + 128748.

It is an arithmetic number, because the mean of its divisors is an integer number (104965659).

Almost surely, 2^838217046 is an apocalyptic number.

838217046 is an abundant number, since it is smaller than the sum of its proper divisors (841233498).

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

838217046 is a wasteful number, since it uses less digits than its factorization.

838217046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251375.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 838217046 is about 28951.9782743770. The cubic root of 838217046 is about 942.8707492658.

The spelling of 838217046 in words is "eight hundred thirty-eight million, two hundred seventeen thousand, forty-six".