8879421 has 8 divisors (see below), whose sum is σ = 11884320. Its totient is φ = 5897072.

The previous prime is 8879417. The next prime is 8879447. The reversal of 8879421 is 1249788.

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 8879421 - 2² = 8879417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8879421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8879401) 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, 4695 + ... + 6308.

It is an arithmetic number, because the mean of its divisors is an integer number (1485540).

Almost surely, 2^8879421 is an apocalyptic number.

It is an amenable number.

8879421 is a deficient number, since it is larger than the sum of its proper divisors (3004899).

8879421 is a wasteful number, since it uses less digits than its factorization.

8879421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275.

The product of its digits is 32256, while the sum is 39.

The square root of 8879421 is about 2979.8357337276. The cubic root of 8879421 is about 207.0752602718.

The spelling of 8879421 in words is "eight million, eight hundred seventy-nine thousand, four hundred twenty-one".