4190489 has 2 divisors, whose sum is σ = 4190490. Its totient is φ = 4190488.

The previous prime is 4190477. The next prime is 4190503. The reversal of 4190489 is 9840914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 8464 = 2045^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 4190489 - 2¹² = 4186393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4190429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2095244 + 2095245.

It is an arithmetic number, because the mean of its divisors is an integer number (2095245).

Almost surely, 2^4190489 is an apocalyptic number.

It is an amenable number.

4190489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4190489 is an equidigital number, since it uses as much as digits as its factorization.

4190489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4190489 is about 2047.0683916274. The cubic root of 4190489 is about 161.2209843030.

The spelling of 4190489 in words is "four million, one hundred ninety thousand, four hundred eighty-nine".