3666500 has 24 divisors (see below), whose sum is σ = 8008728. Its totient is φ = 1466400.

The previous prime is 3666493. The next prime is 3666521. The reversal of 3666500 is 56663.

It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 2617924 = 1024^2 + 1618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3666500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3167 + ... + 4166.

It is an arithmetic number, because the mean of its divisors is an integer number (333697).

Almost surely, 2^3666500 is an apocalyptic number.

It is an amenable number.

3666500 is an abundant number, since it is smaller than the sum of its proper divisors (4342228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3666500 is a wasteful number, since it uses less digits than its factorization.

3666500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7340 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3666500 is about 1914.8106956041. The cubic root of 3666500 is about 154.1998305409.

The spelling of 3666500 in words is "three million, six hundred sixty-six thousand, five hundred".