3866602 has 4 divisors (see below), whose sum is σ = 5799906. Its totient is φ = 1933300.

The previous prime is 3866581. The next prime is 3866609. The reversal of 3866602 is 2066683.

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., 3682561 + 184041 = 1919^2 + 429^2 .

It is a super-2 number, since 2×3866602² = 29901222052808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3866609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 966649 + ... + 966652.

Almost surely, 2^3866602 is an apocalyptic number.

3866602 is a deficient number, since it is larger than the sum of its proper divisors (1933304).

3866602 is a wasteful number, since it uses less digits than its factorization.

3866602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933303.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 3866602 is about 1966.3677173916. The cubic root of 3866602 is about 156.9554825302.

The spelling of 3866602 in words is "three million, eight hundred sixty-six thousand, six hundred two".