1383656 has 16 divisors (see below), whose sum is σ = 2731200. Its totient is φ = 655344.

The previous prime is 1383653. The next prime is 1383659. The reversal of 1383656 is 6563831.

It is an interprime number because it is at equal distance from previous prime (1383653) and next prime (1383659).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1383653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4400 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (170700).

2^1383656 is an apocalyptic number.

It is an amenable number.

1383656 is a deficient number, since it is larger than the sum of its proper divisors (1347544).

1383656 is a wasteful number, since it uses less digits than its factorization.

1383656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128 (or 9124 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1383656 is about 1176.2890801159. The cubic root of 1383656 is about 111.4318592687.

The spelling of 1383656 in words is "one million, three hundred eighty-three thousand, six hundred fifty-six".