2090666 has 8 divisors (see below), whose sum is σ = 3180384. Its totient is φ = 1030540.

The previous prime is 2090651. The next prime is 2090681. The reversal of 2090666 is 6660902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2090651) and next prime (2090681).

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

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, 7220 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (397548).

2^2090666 is an apocalyptic number.

2090666 is a deficient number, since it is larger than the sum of its proper divisors (1089718).

2090666 is a wasteful number, since it uses less digits than its factorization.

2090666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2090666 is about 1445.9135520494. The cubic root of 2090666 is about 127.8679057196.

The spelling of 2090666 in words is "two million, ninety thousand, six hundred sixty-six".