1383897 has 4 divisors (see below), whose sum is σ = 1845200. Its totient is φ = 922596.

The previous prime is 1383881. The next prime is 1383901. The reversal of 1383897 is 7983831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1383897 - 2⁴ = 1383881 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383857) 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, 230647 + ... + 230652.

It is an arithmetic number, because the mean of its divisors is an integer number (461300).

2^1383897 is an apocalyptic number.

It is an amenable number.

1383897 is a deficient number, since it is larger than the sum of its proper divisors (461303).

1383897 is an equidigital number, since it uses as much as digits as its factorization.

1383897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461302.

The product of its digits is 36288, while the sum is 39.

The square root of 1383897 is about 1176.3915164604. The cubic root of 1383897 is about 111.4383284872.

The spelling of 1383897 in words is "one million, three hundred eighty-three thousand, eight hundred ninety-seven".