1397165 has 32 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 820800.

The previous prime is 1397161. The next prime is 1397167. The reversal of 1397165 is 5617931.

It is not a de Polignac number, because 1397165 - 2² = 1397161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7220 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2^1397165 is an apocalyptic number.

It is an amenable number.

1397165 is a deficient number, since it is larger than the sum of its proper divisors (814675).

1397165 is a wasteful number, since it uses less digits than its factorization.

1397165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 5670, while the sum is 32.

The square root of 1397165 is about 1182.0173433584. The cubic root of 1397165 is about 111.7933316769.

The spelling of 1397165 in words is "one million, three hundred ninety-seven thousand, one hundred sixty-five".