853642 has 8 divisors (see below), whose sum is σ = 1285056. Its totient is φ = 425292.

The previous prime is 853637. The next prime is 853663. The reversal of 853642 is 246358.

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 853642.

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, 153 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (160632).

2⁸⁵³⁶⁴² is an apocalyptic number.

853642 is a deficient number, since it is larger than the sum of its proper divisors (431414).

853642 is a wasteful number, since it uses less digits than its factorization.

853642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532.

The product of its digits is 5760, while the sum is 28.

The square root of 853642 is about 923.9274863321. The cubic root of 853642 is about 94.8619231411.

The spelling of 853642 in words is "eight hundred fifty-three thousand, six hundred forty-two".