4786409 has 2 divisors, whose sum is σ = 4786410. Its totient is φ = 4786408.

The previous prime is 4786403. The next prime is 4786429. The reversal of 4786409 is 9046874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4012009 + 774400 = 2003^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4786409 - 2⁴ = 4786393 is a prime.

It is a super-2 number, since 2×4786409² = 45819422230562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4786403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393204 + 2393205.

It is an arithmetic number, because the mean of its divisors is an integer number (2393205).

Almost surely, 2^4786409 is an apocalyptic number.

It is an amenable number.

4786409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4786409 is an equidigital number, since it uses as much as digits as its factorization.

4786409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4786409 is about 2187.7863241185. The cubic root of 4786409 is about 168.5271729285.

The spelling of 4786409 in words is "four million, seven hundred eighty-six thousand, four hundred nine".