1394280768 has 112 divisors (see below), whose sum is σ = 3881957184. Its totient is φ = 441077760.

The previous prime is 1394280757. The next prime is 1394280799. The reversal of 1394280768 is 8670824931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 288871 + ... + 293657.

It is an arithmetic number, because the mean of its divisors is an integer number (34660332).

Almost surely, 2^1394280768 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 1394280768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940978592).

1394280768 is an abundant number, since it is smaller than the sum of its proper divisors (2487676416).

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

1394280768 is a wasteful number, since it uses less digits than its factorization.

1394280768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 4870 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1394280768 is about 37340.0692018641. The cubic root of 1394280768 is about 1117.1635197538.

The spelling of 1394280768 in words is "one billion, three hundred ninety-four million, two hundred eighty thousand, seven hundred sixty-eight".