162397 has 4 divisors (see below), whose sum is σ = 163296. Its totient is φ = 161500.

The previous prime is 162391. The next prime is 162413. The reversal of 162397 is 793261.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 162397 - 2³ = 162389 is a prime.

It is a Duffinian number.

162397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162391) 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 3 ways as a sum of consecutive naturals, for example, 73 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (40824).

2¹⁶²³⁹⁷ is an apocalyptic number.

It is an amenable number.

162397 is a deficient number, since it is larger than the sum of its proper divisors (899).

162397 is an equidigital number, since it uses as much as digits as its factorization.

162397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 2268, while the sum is 28.

The square root of 162397 is about 402.9851113875. The cubic root of 162397 is about 54.5581121298.

The spelling of 162397 in words is "one hundred sixty-two thousand, three hundred ninety-seven".