2064636 has 48 divisors (see below), whose sum is σ = 6119680. Its totient is φ = 589680.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064636 is 6364602.

2064636 is a `hidden beast` number, since 20 + 6 + 4 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610 + ... + 2121.

2^2064636 is an apocalyptic number.

It is an amenable number.

2064636 is an abundant number, since it is smaller than the sum of its proper divisors (4055044).

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

2064636 is a wasteful number, since it uses less digits than its factorization.

2064636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2064636 is about 1436.8841289401. The cubic root of 2064636 is about 127.3350115060.

The spelling of 2064636 in words is "two million, sixty-four thousand, six hundred thirty-six".