4217489 has 2 divisors, whose sum is σ = 4217490. Its totient is φ = 4217488.

The previous prime is 4217461. The next prime is 4217501. The reversal of 4217489 is 9847124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235025 + 1982464 = 1495^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 4217489 - 2⁸ = 4217233 is a prime.

It is a Chen prime.

It is equal to p₂₉₇₄₆₇ and since 4217489 and 297467 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4217459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108744 + 2108745.

It is an arithmetic number, because the mean of its divisors is an integer number (2108745).

Almost surely, 2^4217489 is an apocalyptic number.

It is an amenable number.

4217489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217489 is an equidigital number, since it uses as much as digits as its factorization.

4217489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 4217489 is about 2053.6525996380. The cubic root of 4217489 is about 161.5665009354.

The spelling of 4217489 in words is "four million, two hundred seventeen thousand, four hundred eighty-nine".