189776093 has 16 divisors (see below), whose sum is σ = 211389696. Its totient is φ = 169266240.

The previous prime is 189776089. The next prime is 189776101. The reversal of 189776093 is 390677981.

It is not a de Polignac number, because 189776093 - 2² = 189776089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189776023) 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, 44108 + ... + 48218.

It is an arithmetic number, because the mean of its divisors is an integer number (13211856).

Almost surely, 2^189776093 is an apocalyptic number.

189776093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189776093 is a deficient number, since it is larger than the sum of its proper divisors (21613603).

189776093 is a wasteful number, since it uses less digits than its factorization.

189776093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 189776093 is about 13775.9243972954. The cubic root of 189776093 is about 574.6637913552.

The spelling of 189776093 in words is "one hundred eighty-nine million, seven hundred seventy-six thousand, ninety-three".