2397155 has 4 divisors (see below), whose sum is σ = 2876592. Its totient is φ = 1917720.

The previous prime is 2397151. The next prime is 2397167. The reversal of 2397155 is 5517932.

2397155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2397155 - 2² = 2397151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397151) 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, 239711 + ... + 239720.

It is an arithmetic number, because the mean of its divisors is an integer number (719148).

2^2397155 is an apocalyptic number.

2397155 is a deficient number, since it is larger than the sum of its proper divisors (479437).

2397155 is an equidigital number, since it uses as much as digits as its factorization.

2397155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479436.

The product of its digits is 9450, while the sum is 32.

The square root of 2397155 is about 1548.2748464016. The cubic root of 2397155 is about 133.8336652999.

It can be divided in two parts, 2397 and 155, that added together give a palindrome (2552).

The spelling of 2397155 in words is "two million, three hundred ninety-seven thousand, one hundred fifty-five".