859960393 has 2 divisors, whose sum is σ = 859960394. Its totient is φ = 859960392.

The previous prime is 859960333. The next prime is 859960411. The reversal of 859960393 is 393069958.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 820421449 + 39538944 = 28643^2 + 6288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859960393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859960393.

It is not a weakly prime, because it can be changed into another prime (859960313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429980196 + 429980197.

It is an arithmetic number, because the mean of its divisors is an integer number (429980197).

Almost surely, 2^859960393 is an apocalyptic number.

It is an amenable number.

859960393 is a deficient number, since it is larger than the sum of its proper divisors (1).

859960393 is an equidigital number, since it uses as much as digits as its factorization.

859960393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 859960393 is about 29325.0812957100. The cubic root of 859960393 is about 950.9539422402.

The spelling of 859960393 in words is "eight hundred fifty-nine million, nine hundred sixty thousand, three hundred ninety-three".