1393704 has 48 divisors (see below), whose sum is σ = 4067700. Its totient is φ = 428544.

The previous prime is 1393697. The next prime is 1393723. The reversal of 1393704 is 4073931.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 161604 = 1110^2 + 402^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 1680.

2^1393704 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 1393704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033850).

1393704 is an abundant number, since it is smaller than the sum of its proper divisors (2673996).

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

1393704 is a wasteful number, since it uses less digits than its factorization.

1393704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1393704 is about 1180.5524130677. The cubic root of 1393704 is about 111.7009453932.

The spelling of 1393704 in words is "one million, three hundred ninety-three thousand, seven hundred four".