1364399 has 2 divisors, whose sum is σ = 1364400. Its totient is φ = 1364398.

The previous prime is 1364381. The next prime is 1364401. The reversal of 1364399 is 9934631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1364399 - 2¹⁶ = 1298863 is a prime.

Together with 1364401, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 3⁹ + 6 + 4⁹ + 3⁹ + 9⁶ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1364309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682199 + 682200.

It is an arithmetic number, because the mean of its divisors is an integer number (682200).

2^1364399 is an apocalyptic number.

1364399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364399 is an equidigital number, since it uses as much as digits as its factorization.

1364399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 1364399 is about 1168.0749119812. The cubic root of 1364399 is about 110.9124922405.

The spelling of 1364399 in words is "one million, three hundred sixty-four thousand, three hundred ninety-nine".