2663397 has 12 divisors (see below), whose sum is σ = 4197024. Its totient is φ = 1614120.

The previous prime is 2663393. The next prime is 2663429. The reversal of 2663397 is 7933662.

2663397 is a `hidden beast` number, since 266 + 3 + 397 = 666.

2663397 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 2663397 - 2² = 2663393 is a prime.

2663397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663393) 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 11 ways as a sum of consecutive naturals, for example, 13353 + ... + 13550.

It is an arithmetic number, because the mean of its divisors is an integer number (349752).

2^2663397 is an apocalyptic number.

It is an amenable number.

2663397 is a deficient number, since it is larger than the sum of its proper divisors (1533627).

2663397 is a wasteful number, since it uses less digits than its factorization.

2663397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26920 (or 26917 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 2663397 is about 1631.9917279202. The cubic root of 2663397 is about 138.6155551840.

It can be divided in two parts, 266 and 3397, that added together give a palindrome (3663).

The spelling of 2663397 in words is "two million, six hundred sixty-three thousand, three hundred ninety-seven".