187969368 has 64 divisors (see below), whose sum is σ = 487019520. Its totient is φ = 60393600.

The previous prime is 187969367. The next prime is 187969381. The reversal of 187969368 is 863969781.

187969368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187969367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347178 + ... + 347718.

It is an arithmetic number, because the mean of its divisors is an integer number (7609680).

Almost surely, 2^187969368 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 187969368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243509760).

187969368 is an abundant number, since it is smaller than the sum of its proper divisors (299050152).

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

187969368 is a wasteful number, since it uses less digits than its factorization.

187969368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 187969368 is about 13710.1921211922. The cubic root of 187969368 is about 572.8343164084.

The spelling of 187969368 in words is "one hundred eighty-seven million, nine hundred sixty-nine thousand, three hundred sixty-eight".