9087409 has 2 divisors, whose sum is σ = 9087410. Its totient is φ = 9087408.

The previous prime is 9087391. The next prime is 9087427. The reversal of 9087409 is 9047809.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9087391) and next prime (9087427).

It can be written as a sum of positive squares in only one way, i.e., 6265009 + 2822400 = 2503^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 9087409 - 2⁹ = 9086897 is a prime.

It is equal to p₆₀₇₈₈₈ and since 9087409 and 607888 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (9087479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543704 + 4543705.

It is an arithmetic number, because the mean of its divisors is an integer number (4543705).

Almost surely, 2^9087409 is an apocalyptic number.

It is an amenable number.

9087409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9087409 is an equidigital number, since it uses as much as digits as its factorization.

9087409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 9087409 is about 3014.5329654857. The cubic root of 9087409 is about 208.6796141202.

The spelling of 9087409 in words is "nine million, eighty-seven thousand, four hundred nine".