3976666 has 8 divisors (see below), whose sum is σ = 5974164. Its totient is φ = 1985280.

The previous prime is 3976663. The next prime is 3976667. The reversal of 3976666 is 6666793.

It can be written as a sum of positive squares in 2 ways, for example, as 3591025 + 385641 = 1895^2 + 621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3976663) 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, 826 + ... + 2938.

Almost surely, 2^3976666 is an apocalyptic number.

3976666 is a deficient number, since it is larger than the sum of its proper divisors (1997498).

3976666 is a wasteful number, since it uses less digits than its factorization.

3976666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 244944, while the sum is 43.

The square root of 3976666 is about 1994.1579676645. The cubic root of 3976666 is about 158.4308329004.

The spelling of 3976666 in words is "three million, nine hundred seventy-six thousand, six hundred sixty-six".