2053664 has 24 divisors (see below), whose sum is σ = 4184460. Its totient is φ = 990976.

The previous prime is 2053661. The next prime is 2053673. The reversal of 2053664 is 4663502.

It can be written as a sum of positive squares in 2 ways, for example, as 1795600 + 258064 = 1340^2 + 508^2 .

It is not an unprimeable number, because it can be changed into a prime (2053661) 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, 179 + ... + 2034.

2^2053664 is an apocalyptic number.

It is an amenable number.

2053664 is an abundant number, since it is smaller than the sum of its proper divisors (2130796).

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

2053664 is a wasteful number, since it uses less digits than its factorization.

2053664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2053664 is about 1433.0610594109. The cubic root of 2053664 is about 127.1090472259.

The spelling of 2053664 in words is "two million, fifty-three thousand, six hundred sixty-four".