814563952 has 20 divisors (see below), whose sum is σ = 1646836560. Its totient is φ = 389573888.

The previous prime is 814563949. The next prime is 814563979. The reversal of 814563952 is 259365418.

It is a junction number, because it is equal to n+sod(n) for n = 814563899 and 814563908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106377 + ... + 1107112.

It is an arithmetic number, because the mean of its divisors is an integer number (82341828).

Almost surely, 2^814563952 is an apocalyptic number.

It is an amenable number.

814563952 is an abundant number, since it is smaller than the sum of its proper divisors (832272608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814563952 is a wasteful number, since it uses less digits than its factorization.

814563952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213520 (or 2213514 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 814563952 is about 28540.5667778340. The cubic root of 814563952 is about 933.9172466333.

The spelling of 814563952 in words is "eight hundred fourteen million, five hundred sixty-three thousand, nine hundred fifty-two".