879445 has 8 divisors (see below), whose sum is σ = 1206144. Its totient is φ = 603024.

The previous prime is 879413. The next prime is 879449. The reversal of 879445 is 544978.

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 879445 - 2⁵ = 879413 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8⁵ + 7⁷ + 4³ + 9⁴ + 4⁷ + 5³ .

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 12598.

It is an arithmetic number, because the mean of its divisors is an integer number (150768).

2⁸⁷⁹⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

879445 is a deficient number, since it is larger than the sum of its proper divisors (326699).

879445 is a wasteful number, since it uses less digits than its factorization.

879445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25139.

The product of its digits is 40320, while the sum is 37.

The square root of 879445 is about 937.7872893146. The cubic root of 879445 is about 95.8082471620.

The spelling of 879445 in words is "eight hundred seventy-nine thousand, four hundred forty-five".