2048981 has 4 divisors (see below), whose sum is σ = 2235264. Its totient is φ = 1862700.

The previous prime is 2048957. The next prime is 2048983. The reversal of 2048981 is 1898402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2048981 - 2¹⁰ = 2047957 is a prime.

It is a super-2 number, since 2×2048981² = 8396646276722, 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 (2048983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93125 + ... + 93146.

It is an arithmetic number, because the mean of its divisors is an integer number (558816).

2^2048981 is an apocalyptic number.

It is an amenable number.

2048981 is a deficient number, since it is larger than the sum of its proper divisors (186283).

2048981 is a wasteful number, since it uses less digits than its factorization.

2048981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186282.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2048981 is about 1431.4262118600. The cubic root of 2048981 is about 127.0123574889.

The spelling of 2048981 in words is "two million, forty-eight thousand, nine hundred eighty-one".