838254381 has 8 divisors (see below), whose sum is σ = 1117931424. Its totient is φ = 558706800.

The previous prime is 838254379. The next prime is 838254383. The reversal of 838254381 is 183452838.

It is an interprime number because it is at equal distance from previous prime (838254379) and next prime (838254383).

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

It is not a de Polignac number, because 838254381 - 2¹ = 838254379 is a prime.

It is a super-2 number, since 2×838254381² = 1405340814531386322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838254383) 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, 16086 + ... + 43991.

It is an arithmetic number, because the mean of its divisors is an integer number (139741428).

Almost surely, 2^838254381 is an apocalyptic number.

It is an amenable number.

838254381 is a deficient number, since it is larger than the sum of its proper divisors (279677043).

838254381 is a wasteful number, since it uses less digits than its factorization.

838254381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64731.

The product of its digits is 184320, while the sum is 42.

The square root of 838254381 is about 28952.6230417902. The cubic root of 838254381 is about 942.8847478504.

The spelling of 838254381 in words is "eight hundred thirty-eight million, two hundred fifty-four thousand, three hundred eighty-one".