855742 has 8 divisors (see below), whose sum is σ = 1288656. Its totient is φ = 426192.

The previous prime is 855739. The next prime is 855781. The reversal of 855742 is 247558.

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

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, 58 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (161082).

2⁸⁵⁵⁷⁴² is an apocalyptic number.

855742 is a deficient number, since it is larger than the sum of its proper divisors (432914).

855742 is a wasteful number, since it uses less digits than its factorization.

855742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its digits is 11200, while the sum is 31.

The square root of 855742 is about 925.0632410814. The cubic root of 855742 is about 94.9396477243.

The spelling of 855742 in words is "eight hundred fifty-five thousand, seven hundred forty-two".