2059644 has 12 divisors (see below), whose sum is σ = 4805864. Its totient is φ = 686544.

The previous prime is 2059637. The next prime is 2059649. The reversal of 2059644 is 4469502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2059649) 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, 85807 + ... + 85830.

2^2059644 is an apocalyptic number.

It is an amenable number.

2059644 is an abundant number, since it is smaller than the sum of its proper divisors (2746220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2059644 is a wasteful number, since it uses less digits than its factorization.

2059644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171644 (or 171642 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2059644 is about 1435.1459856056. The cubic root of 2059644 is about 127.2323026223.

The spelling of 2059644 in words is "two million, fifty-nine thousand, six hundred forty-four".