838041213 has 8 divisors (see below), whose sum is σ = 1121512576. Its totient is φ = 556632000.

The previous prime is 838041203. The next prime is 838041223. The reversal of 838041213 is 312140838.

838041213 is nontrivially palindromic in base 7.

It is an interprime number because it is at equal distance from previous prime (838041203) and next prime (838041223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-838041213 is a prime.

It is a super-2 number, since 2×838041213² = 1404626149373022738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838041203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514588 + ... + 516213.

It is an arithmetic number, because the mean of its divisors is an integer number (140189072).

Almost surely, 2^838041213 is an apocalyptic number.

It is an amenable number.

838041213 is a deficient number, since it is larger than the sum of its proper divisors (283471363).

838041213 is a wasteful number, since it uses less digits than its factorization.

838041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031075.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 838041213 is about 28948.9414832391. The cubic root of 838041213 is about 942.8048159108.

The spelling of 838041213 in words is "eight hundred thirty-eight million, forty-one thousand, two hundred thirteen".