1364609 has 2 divisors, whose sum is σ = 1364610. Its totient is φ = 1364608.

The previous prime is 1364581. The next prime is 1364617. The reversal of 1364609 is 9064631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970225 + 394384 = 985^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364609 - 2²⁰ = 316033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1364009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682304 + 682305.

It is an arithmetic number, because the mean of its divisors is an integer number (682305).

2^1364609 is an apocalyptic number.

It is an amenable number.

1364609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364609 is an equidigital number, since it uses as much as digits as its factorization.

1364609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1364609 is about 1168.1648000175. The cubic root of 1364609 is about 110.9181822741.

The spelling of 1364609 in words is "one million, three hundred sixty-four thousand, six hundred nine".