1396469 has 2 divisors, whose sum is σ = 1396470. Its totient is φ = 1396468.

The previous prime is 1396453. The next prime is 1396487. The reversal of 1396469 is 9646931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350244 + 46225 = 1162^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396469 - 2⁴ = 1396453 is a prime.

It is a super-2 number, since 2×1396469² = 3900251335922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396429) 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, 698234 + 698235.

It is an arithmetic number, because the mean of its divisors is an integer number (698235).

2^1396469 is an apocalyptic number.

It is an amenable number.

1396469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396469 is an equidigital number, since it uses as much as digits as its factorization.

1396469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 1396469 is about 1181.7228947600. The cubic root of 1396469 is about 111.7747652507.

The spelling of 1396469 in words is "one million, three hundred ninety-six thousand, four hundred sixty-nine".