3766306 has 4 divisors (see below), whose sum is σ = 5649462. Its totient is φ = 1883152.

The previous prime is 3766303. The next prime is 3766307. The reversal of 3766306 is 6036673.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 1190281 = 1605^2 + 1091^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3766303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941575 + ... + 941578.

Almost surely, 2^3766306 is an apocalyptic number.

3766306 is a deficient number, since it is larger than the sum of its proper divisors (1883156).

3766306 is a wasteful number, since it uses less digits than its factorization.

3766306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883155.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 3766306 is about 1940.6972973650. The cubic root of 3766306 is about 155.5864842885.

The spelling of 3766306 in words is "three million, seven hundred sixty-six thousand, three hundred six".