83417189 has 2 divisors, whose sum is σ = 83417190. Its totient is φ = 83417188.

The previous prime is 83417183. The next prime is 83417197. The reversal of 83417189 is 98171438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61748164 + 21669025 = 7858^2 + 4655^2 .

It is a cyclic number.

It is not a de Polignac number, because 83417189 - 2¹² = 83413093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83417183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41708594 + 41708595.

It is an arithmetic number, because the mean of its divisors is an integer number (41708595).

Almost surely, 2^83417189 is an apocalyptic number.

It is an amenable number.

83417189 is a deficient number, since it is larger than the sum of its proper divisors (1).

83417189 is an equidigital number, since it uses as much as digits as its factorization.

83417189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 83417189 is about 9133.3011009164. The cubic root of 83417189 is about 436.9366925976.

The spelling of 83417189 in words is "eighty-three million, four hundred seventeen thousand, one hundred eighty-nine".