814019838 has 8 divisors (see below), whose sum is σ = 1628039688. Its totient is φ = 271339944.

The previous prime is 814019827. The next prime is 814019839. The reversal of 814019838 is 838910418.

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

814019838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 814019838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814019839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67834981 + ... + 67834992.

It is an arithmetic number, because the mean of its divisors is an integer number (203504961).

Almost surely, 2^814019838 is an apocalyptic number.

814019838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

814019838 is a wasteful number, since it uses less digits than its factorization.

814019838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135669978.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 814019838 is about 28531.0328940261. The cubic root of 814019838 is about 933.7092536999.

The spelling of 814019838 in words is "eight hundred fourteen million, nineteen thousand, eight hundred thirty-eight".