189935104 has 60 divisors (see below), whose sum is σ = 399141864. Its totient is φ = 90123264.

The previous prime is 189935099. The next prime is 189935107. The reversal of 189935104 is 401539981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189935107) 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, 1495489 + ... + 1495615.

Almost surely, 2^189935104 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 189935104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199570932).

189935104 is an abundant number, since it is smaller than the sum of its proper divisors (209206760).

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

189935104 is an frugal number, since it uses more digits than its factorization.

189935104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 189935104 is about 13781.6945257105. The cubic root of 189935104 is about 574.8242477350.

The spelling of 189935104 in words is "one hundred eighty-nine million, nine hundred thirty-five thousand, one hundred four".