1393323694 has 16 divisors (see below), whose sum is σ = 2514268800. Its totient is φ = 565710264.

The previous prime is 1393323677. The next prime is 1393323709. The reversal of 1393323694 is 4963233931.

It is a self number, because there is not a number n which added to its sum of digits gives 1393323694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2618764 + ... + 2619295.

It is an arithmetic number, because the mean of its divisors is an integer number (157141800).

Almost surely, 2^1393323694 is an apocalyptic number.

1393323694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1393323694 is a deficient number, since it is larger than the sum of its proper divisors (1120945106).

1393323694 is a wasteful number, since it uses less digits than its factorization.

1393323694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238087.

The product of its digits is 314928, while the sum is 43.

The square root of 1393323694 is about 37327.2513587593. The cubic root of 1393323694 is about 1116.9078436324.

The spelling of 1393323694 in words is "one billion, three hundred ninety-three million, three hundred twenty-three thousand, six hundred ninety-four".