2048881 has 4 divisors (see below), whose sum is σ = 2051812. Its totient is φ = 2045952.

The previous prime is 2048867. The next prime is 2048887. The reversal of 2048881 is 1888402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1343281 + 705600 = 1159^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048881 - 2⁹ = 2048369 is a prime.

It is a super-2 number, since 2×2048881² = 8395826704322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048887) 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, 265 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (512953).

2^2048881 is an apocalyptic number.

It is an amenable number.

2048881 is a deficient number, since it is larger than the sum of its proper divisors (2931).

2048881 is a wasteful number, since it uses less digits than its factorization.

2048881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 2048881 is about 1431.3912812365. The cubic root of 2048881 is about 127.0102911866.

The spelling of 2048881 in words is "two million, forty-eight thousand, eight hundred eighty-one".