189496104 has 128 divisors (see below), whose sum is σ = 560701440. Its totient is φ = 52250112.

The previous prime is 189496081. The next prime is 189496133. The reversal of 189496104 is 401694981.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813172 + ... + 813404.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^189496104 is an apocalyptic number.

189496104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189496104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280350720).

189496104 is an abundant number, since it is smaller than the sum of its proper divisors (371205336).

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

189496104 is a wasteful number, since it uses less digits than its factorization.

189496104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 189496104 is about 13765.7583881165. The cubic root of 189496104 is about 574.3810393128.

The spelling of 189496104 in words is "one hundred eighty-nine million, four hundred ninety-six thousand, one hundred four".