2973666 has 8 divisors (see below), whose sum is σ = 5947344. Its totient is φ = 991220.

The previous prime is 2973617. The next prime is 2973667. The reversal of 2973666 is 6663792.

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

2973666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2973667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247800 + ... + 247811.

It is an arithmetic number, because the mean of its divisors is an integer number (743418).

2^2973666 is an apocalyptic number.

2973666 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.

2973666 is a wasteful number, since it uses less digits than its factorization.

2973666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495616.

The product of its digits is 81648, while the sum is 39.

The square root of 2973666 is about 1724.4320804253. The cubic root of 2973666 is about 143.8017139709.

The spelling of 2973666 in words is "two million, nine hundred seventy-three thousand, six hundred sixty-six".