1396349859 has 8 divisors (see below), whose sum is σ = 1971317520. Its totient is φ = 876141056.

The previous prime is 1396349839. The next prime is 1396349863. The reversal of 1396349859 is 9589436931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1396349859 - 2⁵ = 1396349827 is a prime.

It is a super-3 number, since 3×1396349859³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1396349799 and 1396349808.

It is not an unprimeable number, because it can be changed into a prime (1396349839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13689654 + ... + 13689755.

It is an arithmetic number, because the mean of its divisors is an integer number (246414690).

Almost surely, 2^1396349859 is an apocalyptic number.

1396349859 is a deficient number, since it is larger than the sum of its proper divisors (574967661).

1396349859 is a wasteful number, since it uses less digits than its factorization.

1396349859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27379429.

The product of its digits is 6298560, while the sum is 57.

The square root of 1396349859 is about 37367.7649719648. The cubic root of 1396349859 is about 1117.7158643897.

The spelling of 1396349859 in words is "one billion, three hundred ninety-six million, three hundred forty-nine thousand, eight hundred fifty-nine".