4208489 has 2 divisors, whose sum is σ = 4208490. Its totient is φ = 4208488.

The previous prime is 4208483. The next prime is 4208507. The reversal of 4208489 is 9848024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 444889 = 1940^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4208489 - 2⁴ = 4208473 is a prime.

It is a super-2 number, since 2×4208489² = 35422759326242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4208483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104244 + 2104245.

It is an arithmetic number, because the mean of its divisors is an integer number (2104245).

Almost surely, 2^4208489 is an apocalyptic number.

It is an amenable number.

4208489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4208489 is an equidigital number, since it uses as much as digits as its factorization.

4208489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4208489 is about 2051.4602116541. The cubic root of 4208489 is about 161.4514930028.

The spelling of 4208489 in words is "four million, two hundred eight thousand, four hundred eighty-nine".