8879820 has 24 divisors (see below), whose sum is σ = 24863664. Its totient is φ = 2367936.

The previous prime is 8879813. The next prime is 8879861. The reversal of 8879820 is 289788.

It is a happy number.

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, 73939 + ... + 74058.

It is an arithmetic number, because the mean of its divisors is an integer number (1035986).

Almost surely, 2^8879820 is an apocalyptic number.

It is an amenable number.

8879820 is an abundant number, since it is smaller than the sum of its proper divisors (15983844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8879820 is a wasteful number, since it uses less digits than its factorization.

8879820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148009 (or 148007 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 8879820 is about 2979.9026829747. The cubic root of 8879820 is about 207.0783618927.

The spelling of 8879820 in words is "eight million, eight hundred seventy-nine thousand, eight hundred twenty".