2053646 has 12 divisors (see below), whose sum is σ = 3529752. Its totient is φ = 877836.

The previous prime is 2053643. The next prime is 2053661. The reversal of 2053646 is 6463502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5171 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (294146).

2^2053646 is an apocalyptic number.

2053646 is a deficient number, since it is larger than the sum of its proper divisors (1476106).

2053646 is an frugal number, since it uses more digits than its factorization.

2053646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 392 counting only the distinct ones).

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

The square root of 2053646 is about 1433.0547791344. The cubic root of 2053646 is about 127.1086758621.

The spelling of 2053646 in words is "two million, fifty-three thousand, six hundred forty-six".