2036864 has 16 divisors (see below), whose sum is σ = 4058070. Its totient is φ = 1018368.

The previous prime is 2036863. The next prime is 2036869. The reversal of 2036864 is 4686302.

It can be written as a sum of positive squares in only one way, i.e., 1459264 + 577600 = 1208^2 + 760^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2036861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7829 + ... + 8084.

2^2036864 is an apocalyptic number.

It is an amenable number.

2036864 is a deficient number, since it is larger than the sum of its proper divisors (2021206).

2036864 is an equidigital number, since it uses as much as digits as its factorization.

2036864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927 (or 15915 counting only the distinct ones).

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

The square root of 2036864 is about 1427.1874438910. The cubic root of 2036864 is about 126.7614925512.

The spelling of 2036864 in words is "two million, thirty-six thousand, eight hundred sixty-four".