1468609 has 4 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 1437316.

The previous prime is 1468603. The next prime is 1468631. The reversal of 1468609 is 9068641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9068641 = 991 ⋅9151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1468609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1468603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15577 + ... + 15670.

It is an arithmetic number, because the mean of its divisors is an integer number (374976).

2^1468609 is an apocalyptic number.

It is an amenable number.

1468609 is a deficient number, since it is larger than the sum of its proper divisors (31295).

1468609 is an equidigital number, since it uses as much as digits as its factorization.

1468609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31294.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1468609 is about 1211.8617907996. The cubic root of 1468609 is about 113.6672610092.

The spelling of 1468609 in words is "one million, four hundred sixty-eight thousand, six hundred nine".