1396347393 has 32 divisors (see below), whose sum is σ = 2180505600. Its totient is φ = 778253760.

The previous prime is 1396347389. The next prime is 1396347427. The reversal of 1396347393 is 3937436931.

It is not a de Polignac number, because 1396347393 - 2² = 1396347389 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1396347313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304683 + ... + 309231.

It is an arithmetic number, because the mean of its divisors is an integer number (68140800).

Almost surely, 2^1396347393 is an apocalyptic number.

It is an amenable number.

1396347393 is a deficient number, since it is larger than the sum of its proper divisors (784158207).

1396347393 is a wasteful number, since it uses less digits than its factorization.

1396347393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917.

The product of its digits is 1102248, while the sum is 48.

The square root of 1396347393 is about 37367.7319755963. The cubic root of 1396347393 is about 1117.7152064149.

The spelling of 1396347393 in words is "one billion, three hundred ninety-six million, three hundred forty-seven thousand, three hundred ninety-three".