1396617347 has 2 divisors, whose sum is σ = 1396617348. Its totient is φ = 1396617346.

The previous prime is 1396617323. The next prime is 1396617353. The reversal of 1396617347 is 7437166931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1396617347 - 2²⁰ = 1395568771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1396617307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698308673 + 698308674.

It is an arithmetic number, because the mean of its divisors is an integer number (698308674).

Almost surely, 2^1396617347 is an apocalyptic number.

1396617347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396617347 is an equidigital number, since it uses as much as digits as its factorization.

1396617347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 1396617347 is about 37371.3439282025. The cubic root of 1396617347 is about 1117.7872305760.

It can be divided in two parts, 13966 and 17347, that added together give a palindrome (31313).

The spelling of 1396617347 in words is "one billion, three hundred ninety-six million, six hundred seventeen thousand, three hundred forty-seven".