2896639 has 2 divisors, whose sum is σ = 2896640. Its totient is φ = 2896638.

The previous prime is 2896637. The next prime is 2896651. The reversal of 2896639 is 9366982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2896639 - 2¹ = 2896637 is a prime.

Together with 2896637, it forms a pair of twin primes.

It is an Ulam number.

2896639 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 2896595 and 2896604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2896631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448319 + 1448320.

It is an arithmetic number, because the mean of its divisors is an integer number (1448320).

2^2896639 is an apocalyptic number.

2896639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2896639 is an equidigital number, since it uses as much as digits as its factorization.

2896639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 2896639 is about 1701.9515269243. The cubic root of 2896639 is about 142.5492022565.

The spelling of 2896639 in words is "two million, eight hundred ninety-six thousand, six hundred thirty-nine".