2957687 has 2 divisors, whose sum is σ = 2957688. Its totient is φ = 2957686.

The previous prime is 2957683. The next prime is 2957753. The reversal of 2957687 is 7867592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2957687 - 2² = 2957683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2957683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478843 + 1478844.

It is an arithmetic number, because the mean of its divisors is an integer number (1478844).

2^2957687 is an apocalyptic number.

2957687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957687 is an equidigital number, since it uses as much as digits as its factorization.

2957687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 2957687 is about 1719.7927200683. The cubic root of 2957687 is about 143.5436783031.

The spelling of 2957687 in words is "two million, nine hundred fifty-seven thousand, six hundred eighty-seven".