1398367 has 2 divisors, whose sum is σ = 1398368. Its totient is φ = 1398366.

The previous prime is 1398349. The next prime is 1398401. The reversal of 1398367 is 7638931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1398367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699183 + 699184.

It is an arithmetic number, because the mean of its divisors is an integer number (699184).

2^1398367 is an apocalyptic number.

1398367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398367 is an equidigital number, since it uses as much as digits as its factorization.

1398367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1398367 is about 1182.5256868246. The cubic root of 1398367 is about 111.8253815941.

The spelling of 1398367 in words is "one million, three hundred ninety-eight thousand, three hundred sixty-seven".