2064686 has 8 divisors (see below), whose sum is σ = 3335304. Its totient is φ = 952920.

The previous prime is 2064679. The next prime is 2064703. The reversal of 2064686 is 6864602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39680 + ... + 39731.

It is an arithmetic number, because the mean of its divisors is an integer number (416913).

2^2064686 is an apocalyptic number.

2064686 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2064686 is a deficient number, since it is larger than the sum of its proper divisors (1270618).

2064686 is a wasteful number, since it uses less digits than its factorization.

2064686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79426.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2064686 is about 1436.9015275933. The cubic root of 2064686 is about 127.3360394029.

The spelling of 2064686 in words is "two million, sixty-four thousand, six hundred eighty-six".