1393420368 has 80 divisors (see below), whose sum is σ = 3829951296. Its totient is φ = 435025920.

The previous prime is 1393420361. The next prime is 1393420397. The reversal of 1393420368 is 8630243931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393420361) 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 15 ways as a sum of consecutive naturals, for example, 168130 + ... + 176222.

Almost surely, 2^1393420368 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 1393420368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914975648).

1393420368 is an abundant number, since it is smaller than the sum of its proper divisors (2436530928).

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

1393420368 is a wasteful number, since it uses less digits than its factorization.

1393420368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332 (or 8326 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1393420368 is about 37328.5462883301. The cubic root of 1393420368 is about 1116.9336747804.

The spelling of 1393420368 in words is "one billion, three hundred ninety-three million, four hundred twenty thousand, three hundred sixty-eight".