2397591 has 24 divisors (see below), whose sum is σ = 4168320. Its totient is φ = 1297296.

The previous prime is 2397587. The next prime is 2397601. The reversal of 2397591 is 1957932.

2397591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2397591 - 2² = 2397587 is a prime.

2397591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397511) 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 23 ways as a sum of consecutive naturals, for example, 196 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (173680).

2^2397591 is an apocalyptic number.

2397591 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2397591 is a deficient number, since it is larger than the sum of its proper divisors (1770729).

2397591 is a wasteful number, since it uses less digits than its factorization.

2397591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2032 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 2397591 is about 1548.4156418740. The cubic root of 2397591 is about 133.8417787984.

The spelling of 2397591 in words is "two million, three hundred ninety-seven thousand, five hundred ninety-one".