814344018 has 8 divisors (see below), whose sum is σ = 1628688048. Its totient is φ = 271448004.

The previous prime is 814344017. The next prime is 814344023. The reversal of 814344018 is 810443418.

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

814344018 is an admirable number.

It is a super-4 number, since 4×814344018⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 814344018.

It is not an unprimeable number, because it can be changed into a prime (814344017) 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, 67861996 + ... + 67862007.

It is an arithmetic number, because the mean of its divisors is an integer number (203586006).

Almost surely, 2^814344018 is an apocalyptic number.

814344018 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.

814344018 is a wasteful number, since it uses less digits than its factorization.

814344018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135724008.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 814344018 is about 28536.7135108442. The cubic root of 814344018 is about 933.8331858528.

The spelling of 814344018 in words is "eight hundred fourteen million, three hundred forty-four thousand, eighteen".