4094609 has 2 divisors, whose sum is σ = 4094610. Its totient is φ = 4094608.

The previous prime is 4094599. The next prime is 4094617. The reversal of 4094609 is 9064904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 253009 = 1960^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094609 - 2²⁰ = 3046033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4094009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047304 + 2047305.

It is an arithmetic number, because the mean of its divisors is an integer number (2047305).

Almost surely, 2^4094609 is an apocalyptic number.

It is an amenable number.

4094609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4094609 is an equidigital number, since it uses as much as digits as its factorization.

4094609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4094609 is about 2023.5140226843. The cubic root of 4094609 is about 159.9818859702.

It can be divided in two parts, 40 and 94609, that added together give a palindrome (94649).

The spelling of 4094609 in words is "four million, ninety-four thousand, six hundred nine".