814728548 has 12 divisors (see below), whose sum is σ = 1460550252. Its totient is φ = 397428480.

The previous prime is 814728547. The next prime is 814728557. The reversal of 814728548 is 845827418.

It can be written as a sum of positive squares in 2 ways, for example, as 283518244 + 531210304 = 16838^2 + 23048^2 .

It is not an unprimeable number, because it can be changed into a prime (814728547) 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, 2483765 + ... + 2484092.

It is an arithmetic number, because the mean of its divisors is an integer number (121712521).

Almost surely, 2^814728548 is an apocalyptic number.

It is an amenable number.

814728548 is a deficient number, since it is larger than the sum of its proper divisors (645821704).

814728548 is a wasteful number, since it uses less digits than its factorization.

814728548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967902 (or 4967900 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 814728548 is about 28543.4501768795. The cubic root of 814728548 is about 933.9801468268.

The spelling of 814728548 in words is "eight hundred fourteen million, seven hundred twenty-eight thousand, five hundred forty-eight".