2046881 has 2 divisors, whose sum is σ = 2046882. Its totient is φ = 2046880.

The previous prime is 2046871. The next prime is 2046893. The reversal of 2046881 is 1886402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 654481 = 1180^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046881 - 2¹⁸ = 1784737 is a prime.

It is a super-2 number, since 2×2046881² = 8379443656322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2046871) 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 as a sum of consecutive naturals, namely, 1023440 + 1023441.

It is an arithmetic number, because the mean of its divisors is an integer number (1023441).

2^2046881 is an apocalyptic number.

It is an amenable number.

2046881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046881 is an equidigital number, since it uses as much as digits as its factorization.

2046881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2046881 is about 1430.6924896706. The cubic root of 2046881 is about 126.9689510143.

The spelling of 2046881 in words is "two million, forty-six thousand, eight hundred eighty-one".