2608987 has 4 divisors (see below), whose sum is σ = 2613016. Its totient is φ = 2604960.

The previous prime is 2608951. The next prime is 2608993. The reversal of 2608987 is 7898062.

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 2608987 - 2¹¹ = 2606939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2608387) 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, 798 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (653254).

2^2608987 is an apocalyptic number.

2608987 is a deficient number, since it is larger than the sum of its proper divisors (4029).

2608987 is an equidigital number, since it uses as much as digits as its factorization.

2608987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2608987 is about 1615.2358960845. The cubic root of 2608987 is about 137.6651371285.

The spelling of 2608987 in words is "two million, six hundred eight thousand, nine hundred eighty-seven".