4685389 has 2 divisors, whose sum is σ = 4685390. Its totient is φ = 4685388.

The previous prime is 4685341. The next prime is 4685393. The reversal of 4685389 is 9835864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 233289 = 2110^2 + 483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4685389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4685189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342694 + 2342695.

It is an arithmetic number, because the mean of its divisors is an integer number (2342695).

Almost surely, 2^4685389 is an apocalyptic number.

It is an amenable number.

4685389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4685389 is an equidigital number, since it uses as much as digits as its factorization.

4685389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 4685389 is about 2164.5759399938. The cubic root of 4685389 is about 167.3331106734. Note that the first 3 decimals are identical.

The spelling of 4685389 in words is "four million, six hundred eighty-five thousand, three hundred eighty-nine".