828853393 has 2 divisors, whose sum is σ = 828853394. Its totient is φ = 828853392.

The previous prime is 828853381. The next prime is 828853537. The reversal of 828853393 is 393358828.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582112129 + 246741264 = 24127^2 + 15708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828853393 is a prime.

It is a super-2 number, since 2×828853393² = 1373995894175224898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (828853373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414426696 + 414426697.

It is an arithmetic number, because the mean of its divisors is an integer number (414426697).

Almost surely, 2^828853393 is an apocalyptic number.

It is an amenable number.

828853393 is a deficient number, since it is larger than the sum of its proper divisors (1).

828853393 is an equidigital number, since it uses as much as digits as its factorization.

828853393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 828853393 is about 28789.8140494169. The cubic root of 828853393 is about 939.3466838845.

The spelling of 828853393 in words is "eight hundred twenty-eight million, eight hundred fifty-three thousand, three hundred ninety-three".