875949 has 4 divisors (see below), whose sum is σ = 1167936. Its totient is φ = 583964.

The previous prime is 875947. The next prime is 875969. The reversal of 875949 is 949578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 875949 - 2¹ = 875947 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 875949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145989 + ... + 145994.

It is an arithmetic number, because the mean of its divisors is an integer number (291984).

2⁸⁷⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

875949 is a deficient number, since it is larger than the sum of its proper divisors (291987).

875949 is a wasteful number, since it uses less digits than its factorization.

875949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291986.

The product of its digits is 90720, while the sum is 42.

The square root of 875949 is about 935.9214710647. The cubic root of 875949 is about 95.6811251536.

Adding to 875949 its product of digits (90720), we get a palindrome (966669).

It can be divided in two parts, 8 and 75949, that added together give a palindrome (75957).

The spelling of 875949 in words is "eight hundred seventy-five thousand, nine hundred forty-nine".