860259349 has 4 divisors (see below), whose sum is σ = 868299264. Its totient is φ = 852219436.

The previous prime is 860259343. The next prime is 860259383. The reversal of 860259349 is 943952068.

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 860259349 - 2⁷ = 860259221 is a prime.

It is a super-2 number, since 2×860259349² = 1480092295083807602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 860259299 and 860259308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860259343) 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, 4019797 + ... + 4020010.

It is an arithmetic number, because the mean of its divisors is an integer number (217074816).

Almost surely, 2^860259349 is an apocalyptic number.

It is an amenable number.

860259349 is a deficient number, since it is larger than the sum of its proper divisors (8039915).

860259349 is a wasteful number, since it uses less digits than its factorization.

860259349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039914.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 860259349 is about 29330.1781276555. The cubic root of 860259349 is about 951.0641257834.

The spelling of 860259349 in words is "eight hundred sixty million, two hundred fifty-nine thousand, three hundred forty-nine".