2641881 has 16 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1589520.

The previous prime is 2641879. The next prime is 2641889. The reversal of 2641881 is 1881462.

It is not a de Polignac number, because 2641881 - 2¹ = 2641879 is a prime.

It is a super-2 number, since 2×2641881² = 13959070436322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2641889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7180 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^2641881 is an apocalyptic number.

It is an amenable number.

2641881 is a deficient number, since it is larger than the sum of its proper divisors (1228839).

2641881 is a wasteful number, since it uses less digits than its factorization.

2641881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its digits is 3072, while the sum is 30.

The square root of 2641881 is about 1625.3864155948. The cubic root of 2641881 is about 138.2412813178.

It can be divided in two parts, 264 and 1881, that added together give a triangular number (2145 = T₆₅).

The spelling of 2641881 in words is "two million, six hundred forty-one thousand, eight hundred eighty-one".