1379369 has 2 divisors, whose sum is σ = 1379370. Its totient is φ = 1379368.

The previous prime is 1379359. The next prime is 1379383. The reversal of 1379369 is 9639731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976144 + 403225 = 988^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379369 - 2⁴ = 1379353 is a prime.

It is a super-2 number, since 2×1379369² = 3805317676322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1379359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689684 + 689685.

It is an arithmetic number, because the mean of its divisors is an integer number (689685).

2^1379369 is an apocalyptic number.

It is an amenable number.

1379369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379369 is an equidigital number, since it uses as much as digits as its factorization.

1379369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 38.

The square root of 1379369 is about 1174.4654103038. The cubic root of 1379369 is about 111.3166565991.

The spelling of 1379369 in words is "one million, three hundred seventy-nine thousand, three hundred sixty-nine".