859761349 has 16 divisors (see below), whose sum is σ = 934461360. Its totient is φ = 787824640.

The previous prime is 859761323. The next prime is 859761401. The reversal of 859761349 is 943167958.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 67732900 + 792028449 = 8230^2 + 28143^2 .

It is a cyclic number.

It is not a de Polignac number, because 859761349 - 2¹³ = 859753157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 859761296 and 859761305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859761949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454197 + ... + 456085.

It is an arithmetic number, because the mean of its divisors is an integer number (58403835).

Almost surely, 2^859761349 is an apocalyptic number.

It is an amenable number.

859761349 is a deficient number, since it is larger than the sum of its proper divisors (74700011).

859761349 is a wasteful number, since it uses less digits than its factorization.

859761349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its digits is 1632960, while the sum is 52.

The square root of 859761349 is about 29321.6873491278. The cubic root of 859761349 is about 950.8805682091.

The spelling of 859761349 in words is "eight hundred fifty-nine million, seven hundred sixty-one thousand, three hundred forty-nine".