4358009 has 2 divisors, whose sum is σ = 4358010. Its totient is φ = 4358008.

The previous prime is 4357993. The next prime is 4358021. The reversal of 4358009 is 9008534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3888784 + 469225 = 1972^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4358009 - 2⁴ = 4357993 is a prime.

It is not a weakly prime, because it can be changed into another prime (4358059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179004 + 2179005.

It is an arithmetic number, because the mean of its divisors is an integer number (2179005).

Almost surely, 2^4358009 is an apocalyptic number.

It is an amenable number.

4358009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4358009 is an equidigital number, since it uses as much as digits as its factorization.

4358009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4358009 is about 2087.5844893082. The cubic root of 4358009 is about 163.3413124891.

The spelling of 4358009 in words is "four million, three hundred fifty-eight thousand, nine".