1393768 has 8 divisors (see below), whose sum is σ = 2613330. Its totient is φ = 696880.

The previous prime is 1393751. The next prime is 1393771. The reversal of 1393768 is 8673931.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 6084 = 1178^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87103 + ... + 87118.

2^1393768 is an apocalyptic number.

It is an amenable number.

1393768 is a deficient number, since it is larger than the sum of its proper divisors (1219562).

1393768 is a wasteful number, since it uses less digits than its factorization.

1393768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174227 (or 174223 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 1393768 is about 1180.5795187110. The cubic root of 1393768 is about 111.7026551659.

The spelling of 1393768 in words is "one million, three hundred ninety-three thousand, seven hundred sixty-eight".