821045714 has 8 divisors (see below), whose sum is σ = 1232863740. Its totient is φ = 410091136.

The previous prime is 821045713. The next prime is 821045723. The reversal of 821045714 is 417540128.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 705805489 + 115240225 = 26567^2 + 10735^2 .

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

It is not an unprimeable number, because it can be changed into a prime (821045713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213479 + ... + 217290.

Almost surely, 2^821045714 is an apocalyptic number.

821045714 is a deficient number, since it is larger than the sum of its proper divisors (411818026).

821045714 is a wasteful number, since it uses less digits than its factorization.

821045714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431724.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 821045714 is about 28653.8952674850. The cubic root of 821045714 is about 936.3878705439.

The spelling of 821045714 in words is "eight hundred twenty-one million, forty-five thousand, seven hundred fourteen".