1396347392 has 80 divisors (see below), whose sum is σ = 3204036000. Its totient is φ = 601251840.

The previous prime is 1396347389. The next prime is 1396347427. The reversal of 1396347392 is 2937436931.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100484 + ... + 113532.

It is an arithmetic number, because the mean of its divisors is an integer number (40050450).

Almost surely, 2^1396347392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396347392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1602018000).

1396347392 is an abundant number, since it is smaller than the sum of its proper divisors (1807688608).

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

1396347392 is a wasteful number, since it uses less digits than its factorization.

1396347392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13097 (or 13081 counting only the distinct ones).

The product of its digits is 734832, while the sum is 47.

The square root of 1396347392 is about 37367.7319622157. The cubic root of 1396347392 is about 1117.7152061481.

The spelling of 1396347392 in words is "one billion, three hundred ninety-six million, three hundred forty-seven thousand, three hundred ninety-two".