2986657 has 2 divisors, whose sum is σ = 2986658. Its totient is φ = 2986656.

The previous prime is 2986637. The next prime is 2986661. The reversal of 2986657 is 7566892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2637376 + 349281 = 1624^2 + 591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986657 - 2¹¹ = 2984609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2986637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493328 + 1493329.

It is an arithmetic number, because the mean of its divisors is an integer number (1493329).

2^2986657 is an apocalyptic number.

It is an amenable number.

2986657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986657 is an equidigital number, since it uses as much as digits as its factorization.

2986657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 2986657 is about 1728.1947228249. The cubic root of 2986657 is about 144.0108177316.

The spelling of 2986657 in words is "two million, nine hundred eighty-six thousand, six hundred fifty-seven".