1396889353 has 2 divisors, whose sum is σ = 1396889354. Its totient is φ = 1396889352.

The previous prime is 1396889323. The next prime is 1396889381. The reversal of 1396889353 is 3539886931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1363677184 + 33212169 = 36928^2 + 5763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396889353 - 2⁵ = 1396889321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396889294 and 1396889303.

It is not a weakly prime, because it can be changed into another prime (1396889323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698444676 + 698444677.

It is an arithmetic number, because the mean of its divisors is an integer number (698444677).

Almost surely, 2^1396889353 is an apocalyptic number.

It is an amenable number.

1396889353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396889353 is an equidigital number, since it uses as much as digits as its factorization.

1396889353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 55.

The square root of 1396889353 is about 37374.9829832737. The cubic root of 1396889353 is about 1117.8597928273.

The spelling of 1396889353 in words is "one billion, three hundred ninety-six million, eight hundred eighty-nine thousand, three hundred fifty-three".