189411953 has 16 divisors (see below), whose sum is σ = 199320576. Its totient is φ = 179781120.

The previous prime is 189411863. The next prime is 189411961. The reversal of 189411953 is 359114981.

It is a cyclic number.

It is not a de Polignac number, because 189411953 - 2¹⁰ = 189410929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189411953.

It is not an unprimeable number, because it can be changed into a prime (189411973) 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 15 ways as a sum of consecutive naturals, for example, 437225 + ... + 437657.

It is an arithmetic number, because the mean of its divisors is an integer number (12457536).

Almost surely, 2^189411953 is an apocalyptic number.

It is an amenable number.

189411953 is a deficient number, since it is larger than the sum of its proper divisors (9908623).

189411953 is a wasteful number, since it uses less digits than its factorization.

189411953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its digits is 38880, while the sum is 41.

The square root of 189411953 is about 13762.7015153276. The cubic root of 189411953 is about 574.2960034477.

The spelling of 189411953 in words is "one hundred eighty-nine million, four hundred eleven thousand, nine hundred fifty-three".