814897449 has 8 divisors (see below), whose sum is σ = 1207255520. Its totient is φ = 543264948.

The previous prime is 814897417. The next prime is 814897463. The reversal of 814897449 is 944798418.

It is not a de Polignac number, because 814897449 - 2⁵ = 814897417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814897395 and 814897404.

It is not an unprimeable number, because it can be changed into a prime (814897409) 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, 15090667 + ... + 15090720.

It is an arithmetic number, because the mean of its divisors is an integer number (150906940).

Almost surely, 2^814897449 is an apocalyptic number.

It is an amenable number.

814897449 is a deficient number, since it is larger than the sum of its proper divisors (392358071).

814897449 is a wasteful number, since it uses less digits than its factorization.

814897449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30181396 (or 30181390 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 814897449 is about 28546.4086883096. The cubic root of 814897449 is about 934.0446833653.

The spelling of 814897449 in words is "eight hundred fourteen million, eight hundred ninety-seven thousand, four hundred forty-nine".