860542 has 8 divisors (see below), whose sum is σ = 1294776. Its totient is φ = 428952.

The previous prime is 860533. The next prime is 860543. The reversal of 860542 is 245068.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (161847).

2⁸⁶⁰⁵⁴² is an apocalyptic number.

860542 is the 587-th heptagonal number.

860542 is a deficient number, since it is larger than the sum of its proper divisors (434234).

860542 is a wasteful number, since it uses less digits than its factorization.

860542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 860542 is about 927.6540303367. The cubic root of 860542 is about 95.1168276464.

The spelling of 860542 in words is "eight hundred sixty thousand, five hundred forty-two".