814584947 has 6 divisors (see below), whose sum is σ = 895370364. Its totient is φ = 740531660.

The previous prime is 814584941. The next prime is 814584949. The reversal of 814584947 is 749485418.

It is not a de Polignac number, because 814584947 - 2²² = 810390643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814584895 and 814584904.

It is not an unprimeable number, because it can be changed into a prime (814584941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3365933 + ... + 3366174.

It is an arithmetic number, because the mean of its divisors is an integer number (149228394).

Almost surely, 2^814584947 is an apocalyptic number.

814584947 is a deficient number, since it is larger than the sum of its proper divisors (80785417).

814584947 is a wasteful number, since it uses less digits than its factorization.

814584947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732129 (or 6732118 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The square root of 814584947 is about 28540.9345852584. The cubic root of 814584947 is about 933.9252703226.

The spelling of 814584947 in words is "eight hundred fourteen million, five hundred eighty-four thousand, nine hundred forty-seven".