1396816704 has 56 divisors (see below), whose sum is σ = 4106387520. Its totient is φ = 465604992.

The previous prime is 1396816691. The next prime is 1396816709. The reversal of 1396816704 is 4076186931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1396816704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396816709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402444 + ... + 405899.

Almost surely, 2^1396816704 is an apocalyptic number.

It is an amenable number.

1396816704 is an abundant number, since it is smaller than the sum of its proper divisors (2709570816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396816704 is an equidigital number, since it uses as much as digits as its factorization.

1396816704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808364 (or 808348 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1396816704 is about 37374.0110772178. The cubic root of 1396816704 is about 1117.8404133864.

The spelling of 1396816704 in words is "one billion, three hundred ninety-six million, eight hundred sixteen thousand, seven hundred four".