879149 has 4 divisors (see below), whose sum is σ = 925440. Its totient is φ = 832860.

The previous prime is 879143. The next prime is 879167. The reversal of 879149 is 941978.

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 879149 - 2⁴ = 879133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23117 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (231360).

2⁸⁷⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

879149 is a deficient number, since it is larger than the sum of its proper divisors (46291).

879149 is a wasteful number, since it uses less digits than its factorization.

879149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46290.

The product of its digits is 18144, while the sum is 38.

The square root of 879149 is about 937.6294577284. The cubic root of 879149 is about 95.7974970399.

The spelling of 879149 in words is "eight hundred seventy-nine thousand, one hundred forty-nine".