2049801 has 16 divisors (see below), whose sum is σ = 2970240. Its totient is φ = 1257360.

The previous prime is 2049797. The next prime is 2049821. The reversal of 2049801 is 1089402.

It is not a de Polignac number, because 2049801 - 2² = 2049797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2049821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6436 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (185640).

2^2049801 is an apocalyptic number.

It is an amenable number.

2049801 is a deficient number, since it is larger than the sum of its proper divisors (920439).

2049801 is an equidigital number, since it uses as much as digits as its factorization.

2049801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2049801 is about 1431.7126108266. The cubic root of 2049801 is about 127.0292986323.

It can be divided in two parts, 2049 and 801, that added together give a triangular number (2850 = T₇₅).

The spelling of 2049801 in words is "two million, forty-nine thousand, eight hundred one".