860438 has 8 divisors (see below), whose sum is σ = 1366632. Its totient is φ = 404896.

The previous prime is 860423. The next prime is 860441. The reversal of 860438 is 834068.

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

It is a self number, because there is not a number n which added to its sum of digits gives 860438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12620 + ... + 12687.

It is an arithmetic number, because the mean of its divisors is an integer number (170829).

2⁸⁶⁰⁴³⁸ is an apocalyptic number.

860438 is a deficient number, since it is larger than the sum of its proper divisors (506194).

860438 is a wasteful number, since it uses less digits than its factorization.

860438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25326.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 860438 is about 927.5979732621. The cubic root of 860438 is about 95.1129957402.

The spelling of 860438 in words is "eight hundred sixty thousand, four hundred thirty-eight".