2630887 has 4 divisors (see below), whose sum is σ = 3006736. Its totient is φ = 2255040.

The previous prime is 2630879. The next prime is 2630891. The reversal of 2630887 is 7880362.

It is a happy number.

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 2630887 - 2³ = 2630879 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 (2630857) 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, 187914 + ... + 187927.

It is an arithmetic number, because the mean of its divisors is an integer number (751684).

2^2630887 is an apocalyptic number.

2630887 is a deficient number, since it is larger than the sum of its proper divisors (375849).

2630887 is an equidigital number, since it uses as much as digits as its factorization.

2630887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375848.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2630887 is about 1622.0009247840. Note that the first 3 decimals coincide. The cubic root of 2630887 is about 138.0492542800.

The spelling of 2630887 in words is "two million, six hundred thirty thousand, eight hundred eighty-seven".