2601887 has 4 divisors (see below), whose sum is σ = 2662440. Its totient is φ = 2541336.

The previous prime is 2601869. The next prime is 2601899. The reversal of 2601887 is 7881062.

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 2601887 - 2²⁰ = 1553311 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 (2601817) 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, 30212 + ... + 30297.

It is an arithmetic number, because the mean of its divisors is an integer number (665610).

2^2601887 is an apocalyptic number.

2601887 is a deficient number, since it is larger than the sum of its proper divisors (60553).

2601887 is an equidigital number, since it uses as much as digits as its factorization.

2601887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60552.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2601887 is about 1613.0365773906. The cubic root of 2601887 is about 137.5401447520.

The spelling of 2601887 in words is "two million, six hundred one thousand, eight hundred eighty-seven".