2064666 has 8 divisors (see below), whose sum is σ = 4129344. Its totient is φ = 688220.

The previous prime is 2064653. The next prime is 2064679. The reversal of 2064666 is 6664602.

It is an interprime number because it is at equal distance from previous prime (2064653) and next prime (2064679).

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

2064666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172050 + ... + 172061.

It is an arithmetic number, because the mean of its divisors is an integer number (516168).

2^2064666 is an apocalyptic number.

2064666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2064666 is a wasteful number, since it uses less digits than its factorization.

2064666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344116.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2064666 is about 1436.8945681573. The cubic root of 2064666 is about 127.3356282461.

The spelling of 2064666 in words is "two million, sixty-four thousand, six hundred sixty-six".