1396855039406 has 8 divisors (see below), whose sum is σ = 2111780847360. Its totient is φ = 692928090288.

The previous prime is 1396855039403. The next prime is 1396855039439. The reversal of 1396855039406 is 6049305586931.

It is a happy number.

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

It is a super-3 number, since 3×1396855039406³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396855039403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2749714391 + ... + 2749714898.

It is an arithmetic number, because the mean of its divisors is an integer number (263972605920).

Almost surely, 2^{1396855039406} is an apocalyptic number.

1396855039406 is a deficient number, since it is larger than the sum of its proper divisors (714925807954).

1396855039406 is a wasteful number, since it uses less digits than its factorization.

1396855039406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499429418.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 1396855039406 in words is "one trillion, three hundred ninety-six billion, eight hundred fifty-five million, thirty-nine thousand, four hundred six".