873845 has 8 divisors (see below), whose sum is σ = 1198464. Its totient is φ = 599184.

The previous prime is 873787. The next prime is 873863. The reversal of 873845 is 548378.

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

It is a cyclic number.

It is not a de Polignac number, because 873845 - 2⁶ = 873781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 24967 = 873845 / (8 + 7 + 3 + 8 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873845.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12449 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (149808).

2⁸⁷³⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

873845 is a deficient number, since it is larger than the sum of its proper divisors (324619).

873845 is a wasteful number, since it uses less digits than its factorization.

873845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24979.

The product of its digits is 26880, while the sum is 35.

The square root of 873845 is about 934.7967693568. The cubic root of 873845 is about 95.6044561218.

The spelling of 873845 in words is "eight hundred seventy-three thousand, eight hundred forty-five".