189604801 has 4 divisors (see below), whose sum is σ = 197848512. Its totient is φ = 181361092.

The previous prime is 189604783. The next prime is 189604823. The reversal of 189604801 is 108406981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 108406981 = 23 ⋅4713347.

It is a cyclic number.

It is not a de Polignac number, because 189604801 - 2¹⁷ = 189473729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189604601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4121821 + ... + 4121866.

It is an arithmetic number, because the mean of its divisors is an integer number (49462128).

Almost surely, 2^189604801 is an apocalyptic number.

It is an amenable number.

189604801 is a deficient number, since it is larger than the sum of its proper divisors (8243711).

189604801 is an equidigital number, since it uses as much as digits as its factorization.

189604801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243710.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 189604801 is about 13769.7059155234. The cubic root of 189604801 is about 574.4908420313.

The spelling of 189604801 in words is "one hundred eighty-nine million, six hundred four thousand, eight hundred one".