859357493 has 8 divisors (see below), whose sum is σ = 889420800. Its totient is φ = 829322928.

The previous prime is 859357439. The next prime is 859357547. The reversal of 859357493 is 394753958.

It is an interprime number because it is at equal distance from previous prime (859357439) and next prime (859357547).

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

It is a cyclic number.

It is not a de Polignac number, because 859357493 - 2¹⁶ = 859291957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859356493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66668 + ... + 78506.

It is an arithmetic number, because the mean of its divisors is an integer number (111177600).

Almost surely, 2^859357493 is an apocalyptic number.

It is an amenable number.

859357493 is a deficient number, since it is larger than the sum of its proper divisors (30063307).

859357493 is a wasteful number, since it uses less digits than its factorization.

859357493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

The product of its digits is 4082400, while the sum is 53.

The square root of 859357493 is about 29314.7998969804. The cubic root of 859357493 is about 950.7316590700.

The spelling of 859357493 in words is "eight hundred fifty-nine million, three hundred fifty-seven thousand, four hundred ninety-three".