859998351 has 4 divisors (see below), whose sum is σ = 1146664472. Its totient is φ = 573332232.

The previous prime is 859998331. The next prime is 859998361. The reversal of 859998351 is 153899958.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 859998351 - 2⁶ = 859998287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 859998291 and 859998300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859998301) 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, 143333056 + ... + 143333061.

It is an arithmetic number, because the mean of its divisors is an integer number (286666118).

Almost surely, 2^859998351 is an apocalyptic number.

859998351 is a deficient number, since it is larger than the sum of its proper divisors (286666121).

859998351 is a wasteful number, since it uses less digits than its factorization.

859998351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286666120.

The product of its digits is 3499200, while the sum is 57.

The square root of 859998351 is about 29325.7284820002. The cubic root of 859998351 is about 950.9679334965.

The spelling of 859998351 in words is "eight hundred fifty-nine million, nine hundred ninety-eight thousand, three hundred fifty-one".