853673 has 4 divisors (see below), whose sum is σ = 883140. Its totient is φ = 824208.

The previous prime is 853669. The next prime is 853687. The reversal of 853673 is 376358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376358 = 2 ⋅188179.

It can be written as a sum of positive squares in 2 ways, for example, as 683929 + 169744 = 827^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 853673 - 2² = 853669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (853663) 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, 14690 + ... + 14747.

It is an arithmetic number, because the mean of its divisors is an integer number (220785).

2⁸⁵³⁶⁷³ is an apocalyptic number.

It is an amenable number.

853673 is a deficient number, since it is larger than the sum of its proper divisors (29467).

853673 is a wasteful number, since it uses less digits than its factorization.

853673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29466.

The product of its digits is 15120, while the sum is 32.

The square root of 853673 is about 923.9442623882. The cubic root of 853673 is about 94.8630714304.

The spelling of 853673 in words is "eight hundred fifty-three thousand, six hundred seventy-three".