10189788 has 96 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 2720256.

The previous prime is 10189787. The next prime is 10189819. The reversal of 10189788 is 88798101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10189787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114448 + ... + 114536.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^10189788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10189788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14515200).

10189788 is an abundant number, since it is smaller than the sum of its proper divisors (18840612).

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

10189788 is a wasteful number, since it uses less digits than its factorization.

10189788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 10189788 is about 3192.1447335608. The cubic root of 10189788 is about 216.7978892148.

The spelling of 10189788 in words is "ten million, one hundred eighty-nine thousand, seven hundred eighty-eight".