83738189 has 4 divisors (see below), whose sum is σ = 83910624. Its totient is φ = 83565756.

The previous prime is 83738173. The next prime is 83738197. The reversal of 83738189 is 98183738.

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.

It is a cyclic number.

It is not a de Polignac number, because 83738189 - 2⁴ = 83738173 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 (83738129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85487 + ... + 86460.

It is an arithmetic number, because the mean of its divisors is an integer number (20977656).

Almost surely, 2^83738189 is an apocalyptic number.

It is an amenable number.

83738189 is a deficient number, since it is larger than the sum of its proper divisors (172435).

83738189 is a wasteful number, since it uses less digits than its factorization.

83738189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172434.

The product of its digits is 290304, while the sum is 47.

The square root of 83738189 is about 9150.8572822441. The cubic root of 83738189 is about 437.4964379574.

The spelling of 83738189 in words is "eighty-three million, seven hundred thirty-eight thousand, one hundred eighty-nine".