859290361 has 4 divisors (see below), whose sum is σ = 859420800. Its totient is φ = 859159924.

The previous prime is 859290293. The next prime is 859290379. The reversal of 859290361 is 163092958.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 859290361 - 2¹⁷ = 859159289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859290391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54781 + ... + 68698.

It is an arithmetic number, because the mean of its divisors is an integer number (214855200).

Almost surely, 2^859290361 is an apocalyptic number.

It is an amenable number.

859290361 is a deficient number, since it is larger than the sum of its proper divisors (130439).

859290361 is a wasteful number, since it uses less digits than its factorization.

859290361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130438.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 859290361 is about 29313.6548557153. The cubic root of 859290361 is about 950.7069017444.

The spelling of 859290361 in words is "eight hundred fifty-nine million, two hundred ninety thousand, three hundred sixty-one".