860069 has 4 divisors (see below), whose sum is σ = 982944. Its totient is φ = 737196.

The previous prime is 860063. The next prime is 860071. The reversal of 860069 is 960068.

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 a de Polignac number, because none of the positive numbers 2^k-860069 is a prime.

It is a super-2 number, since 2×860069² = 1479437369522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860063) 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, 61427 + ... + 61440.

It is an arithmetic number, because the mean of its divisors is an integer number (245736).

2⁸⁶⁰⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

860069 is a deficient number, since it is larger than the sum of its proper divisors (122875).

860069 is a wasteful number, since it uses less digits than its factorization.

860069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122874.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 860069 is about 927.3990511101. The cubic root of 860069 is about 95.0993973505.

Subtracting 860069 from its reverse (960068), we obtain a palindrome (99999).

The spelling of 860069 in words is "eight hundred sixty thousand, sixty-nine".