4364809 has 2 divisors, whose sum is σ = 4364810. Its totient is φ = 4364808.

The previous prime is 4364797. The next prime is 4364837. The reversal of 4364809 is 9084634.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 2039184 = 1525^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 4364809 - 2⁵ = 4364777 is a prime.

It is not a weakly prime, because it can be changed into another prime (4364909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2182404 + 2182405.

It is an arithmetic number, because the mean of its divisors is an integer number (2182405).

Almost surely, 2^4364809 is an apocalyptic number.

It is an amenable number.

4364809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4364809 is an equidigital number, since it uses as much as digits as its factorization.

4364809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4364809 is about 2089.2125310748. The cubic root of 4364809 is about 163.4262246376.

The spelling of 4364809 in words is "four million, three hundred sixty-four thousand, eight hundred nine".