2897663 has 8 divisors (see below), whose sum is σ = 3012096. Its totient is φ = 2784600.

The previous prime is 2897627. The next prime is 2897689. The reversal of 2897663 is 3667982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2897663 - 2¹⁰ = 2896639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 2897663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6320 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (376512).

2^2897663 is an apocalyptic number.

2897663 is a deficient number, since it is larger than the sum of its proper divisors (114433).

2897663 is a wasteful number, since it uses less digits than its factorization.

2897663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its digits is 108864, while the sum is 41.

The square root of 2897663 is about 1702.2523314715. The cubic root of 2897663 is about 142.5659979504.

The spelling of 2897663 in words is "two million, eight hundred ninety-seven thousand, six hundred sixty-three".