814407081 has 8 divisors (see below), whose sum is σ = 1088788800. Its totient is φ = 541481712.

The previous prime is 814407073. The next prime is 814407109. The reversal of 814407081 is 180704418.

814407081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 814407081 - 2³ = 814407073 is a prime.

It is a super-2 number, since 2×814407081² = 1326517787165881122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (814403081) 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, 362781 + ... + 365018.

It is an arithmetic number, because the mean of its divisors is an integer number (136098600).

Almost surely, 2^814407081 is an apocalyptic number.

It is an amenable number.

814407081 is a deficient number, since it is larger than the sum of its proper divisors (274381719).

814407081 is a wasteful number, since it uses less digits than its factorization.

814407081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728175.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 814407081 is about 28537.8184344914. The cubic root of 814407081 is about 933.8572906541.

The spelling of 814407081 in words is "eight hundred fourteen million, four hundred seven thousand, eighty-one".