1394286764 has 12 divisors (see below), whose sum is σ = 2627694384. Its totient is φ = 643516944.

The previous prime is 1394286763. The next prime is 1394286779. The reversal of 1394286764 is 4676824931.

It is a super-3 number, since 3×1394286764³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1394286763) 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 3 ways as a sum of consecutive naturals, for example, 13406552 + ... + 13406655.

It is an arithmetic number, because the mean of its divisors is an integer number (218974532).

Almost surely, 2^1394286764 is an apocalyptic number.

It is an amenable number.

1394286764 is a deficient number, since it is larger than the sum of its proper divisors (1233407620).

1394286764 is a wasteful number, since it uses less digits than its factorization.

1394286764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813224 (or 26813222 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1394286764 is about 37340.1494908630. The cubic root of 1394286764 is about 1117.1651211775.

The spelling of 1394286764 in words is "one billion, three hundred ninety-four million, two hundred eighty-six thousand, seven hundred sixty-four".