2957663 has 4 divisors (see below), whose sum is σ = 3020640. Its totient is φ = 2894688.

The previous prime is 2957659. The next prime is 2957683. The reversal of 2957663 is 3667592.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2957663 - 2² = 2957659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31418 + ... + 31511.

It is an arithmetic number, because the mean of its divisors is an integer number (755160).

2^2957663 is an apocalyptic number.

2957663 is a deficient number, since it is larger than the sum of its proper divisors (62977).

2957663 is an equidigital number, since it uses as much as digits as its factorization.

2957663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62976.

The product of its digits is 68040, while the sum is 38.

The square root of 2957663 is about 1719.7857424691. The cubic root of 2957663 is about 143.5432900428.

The spelling of 2957663 in words is "two million, nine hundred fifty-seven thousand, six hundred sixty-three".