889918100 has 18 divisors (see below), whose sum is σ = 1931122494. Its totient is φ = 355967200.

The previous prime is 889918039. The next prime is 889918109. The reversal of 889918100 is 1819988.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 154206724 + 735711376 = 12418^2 + 27124^2 .

It is a super-2 number, since 2×889918100² = 1583908449415220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889918109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4449491 + ... + 4449690.

It is an arithmetic number, because the mean of its divisors is an integer number (107284583).

Almost surely, 2^889918100 is an apocalyptic number.

It is an amenable number.

889918100 is an abundant number, since it is smaller than the sum of its proper divisors (1041204394).

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

889918100 is a wasteful number, since it uses less digits than its factorization.

889918100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899195 (or 8899188 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 44.

The square root of 889918100 is about 29831.4951016539. The cubic root of 889918100 is about 961.8706652254.

The spelling of 889918100 in words is "eight hundred eighty-nine million, nine hundred eighteen thousand, one hundred".