1364491 has 2 divisors, whose sum is σ = 1364492. Its totient is φ = 1364490.

The previous prime is 1364483. The next prime is 1364533. The reversal of 1364491 is 1944631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1364491 - 2³ = 1364483 is a prime.

1364491 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1364401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682245 + 682246.

It is an arithmetic number, because the mean of its divisors is an integer number (682246).

2^1364491 is an apocalyptic number.

1364491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364491 is an equidigital number, since it uses as much as digits as its factorization.

1364491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 1364491 is about 1168.1142923533. The cubic root of 1364491 is about 110.9149850890.

The spelling of 1364491 in words is "one million, three hundred sixty-four thousand, four hundred ninety-one".