819438341 has 8 divisors (see below), whose sum is σ = 851956224. Its totient is φ = 787517280.

The previous prime is 819438337. The next prime is 819438377. The reversal of 819438341 is 143834918.

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

It is a cyclic number.

It is not a de Polignac number, because 819438341 - 2² = 819438337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819438311) 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, 146405 + ... + 151898.

It is an arithmetic number, because the mean of its divisors is an integer number (106494528).

Almost surely, 2^819438341 is an apocalyptic number.

It is an amenable number.

819438341 is a deficient number, since it is larger than the sum of its proper divisors (32517883).

819438341 is a wasteful number, since it uses less digits than its factorization.

819438341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298411.

The product of its digits is 82944, while the sum is 41.

The square root of 819438341 is about 28625.8334551153. The cubic root of 819438341 is about 935.7764113499.

The spelling of 819438341 in words is "eight hundred nineteen million, four hundred thirty-eight thousand, three hundred forty-one".