2663401 has 16 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 2263680.

The previous prime is 2663393. The next prime is 2663429. The reversal of 2663401 is 1043662.

2663401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2663401 - 2³ = 2663393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2663431) 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 15 ways as a sum of consecutive naturals, for example, 9996 + ... + 10258.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

2^2663401 is an apocalyptic number.

It is an amenable number.

2663401 is a deficient number, since it is larger than the sum of its proper divisors (441239).

2663401 is a wasteful number, since it uses less digits than its factorization.

2663401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2663401 is about 1631.9929534162. The cubic root of 2663401 is about 138.6156245768.

The spelling of 2663401 in words is "two million, six hundred sixty-three thousand, four hundred one".