1396768 has 12 divisors (see below), whose sum is σ = 2749950. Its totient is φ = 698368.

The previous prime is 1396757. The next prime is 1396789. The reversal of 1396768 is 8676931.

It can be written as a sum of positive squares in only one way, i.e., 1192464 + 204304 = 1092^2 + 452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1396768.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21793 + ... + 21856.

2^1396768 is an apocalyptic number.

It is an amenable number.

1396768 is a deficient number, since it is larger than the sum of its proper divisors (1353182).

1396768 is an equidigital number, since it uses as much as digits as its factorization.

1396768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43659 (or 43651 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 1396768 is about 1181.8493981891. The cubic root of 1396768 is about 111.7827421004.

The spelling of 1396768 in words is "one million, three hundred ninety-six thousand, seven hundred sixty-eight".