2049644 has 24 divisors (see below), whose sum is σ = 3822000. Its totient is φ = 959040.

The previous prime is 2049643. The next prime is 2049647. The reversal of 2049644 is 4469402.

It is not an unprimeable number, because it can be changed into a prime (2049643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11234 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (159250).

2^2049644 is an apocalyptic number.

It is an amenable number.

2049644 is a deficient number, since it is larger than the sum of its proper divisors (1772356).

2049644 is a wasteful number, since it uses less digits than its factorization.

2049644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2049644 is about 1431.6577803372. The cubic root of 2049644 is about 127.0260553729.

The spelling of 2049644 in words is "two million, forty-nine thousand, six hundred forty-four".