8888820 has 24 divisors (see below), whose sum is σ = 24888864. Its totient is φ = 2370336.

The previous prime is 8888813. The next prime is 8888821. The reversal of 8888820 is 288888.

8888820 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8888820² = 158022241984800, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8888821) 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, 74014 + ... + 74133.

It is an arithmetic number, because the mean of its divisors is an integer number (1037036).

Almost surely, 2^8888820 is an apocalyptic number.

It is an amenable number.

8888820 is an abundant number, since it is smaller than the sum of its proper divisors (16000044).

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

8888820 is a wasteful number, since it uses less digits than its factorization.

8888820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148159 (or 148157 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 42.

The square root of 8888820 is about 2981.4124169595. The cubic root of 8888820 is about 207.1482985944.

The spelling of 8888820 in words is "eight million, eight hundred eighty-eight thousand, eight hundred twenty".