1396609169 has 8 divisors (see below), whose sum is σ = 1430425920. Its totient is φ = 1362853296.

The previous prime is 1396609147. The next prime is 1396609187. The reversal of 1396609169 is 9619066931.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396609169 is a prime.

It is a super-2 number, since 2×1396609169² = 3901034341869741122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396609129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33044 + ... + 62330.

It is an arithmetic number, because the mean of its divisors is an integer number (178803240).

Almost surely, 2^1396609169 is an apocalyptic number.

It is an amenable number.

1396609169 is a deficient number, since it is larger than the sum of its proper divisors (33816751).

1396609169 is a wasteful number, since it uses less digits than its factorization.

1396609169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30439.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 1396609169 is about 37371.2345126569. The cubic root of 1396609169 is about 1117.7850488087.

The spelling of 1396609169 in words is "one billion, three hundred ninety-six million, six hundred nine thousand, one hundred sixty-nine".