1393593984 has 160 divisors (see below), whose sum is σ = 4181469600. Its totient is φ = 460712448.

The previous prime is 1393593979. The next prime is 1393594067. The reversal of 1393593984 is 4893953931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1393593984.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1440669 + ... + 1441635.

It is an arithmetic number, because the mean of its divisors is an integer number (26134185).

Almost surely, 2^1393593984 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 1393593984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090734800).

1393593984 is an abundant number, since it is smaller than the sum of its proper divisors (2787875616).

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

1393593984 is an equidigital number, since it uses as much as digits as its factorization.

1393593984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1111 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 1393593984 is about 37330.8717283698. The cubic root of 1393593984 is about 1116.9800617162.

The spelling of 1393593984 in words is "one billion, three hundred ninety-three million, five hundred ninety-three thousand, nine hundred eighty-four".