2397406 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1070680.

The previous prime is 2397403. The next prime is 2397449. The reversal of 2397406 is 6047932.

2397406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397403) 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 7 ways as a sum of consecutive naturals, for example, 375 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^2397406 is an apocalyptic number.

2397406 is a deficient number, since it is larger than the sum of its proper divisors (1594274).

2397406 is a wasteful number, since it uses less digits than its factorization.

2397406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2397406 is about 1548.3559022395. The cubic root of 2397406 is about 133.8383362644.

The spelling of 2397406 in words is "two million, three hundred ninety-seven thousand, four hundred six".