3663970 has 8 divisors (see below), whose sum is σ = 6595164. Its totient is φ = 1465584.

The previous prime is 3663949. The next prime is 3663971. The reversal of 3663970 is 793663.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 326041 = 1827^2 + 571^2 .

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 (3663971) 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, 183189 + ... + 183208.

Almost surely, 2^3663970 is an apocalyptic number.

3663970 is a deficient number, since it is larger than the sum of its proper divisors (2931194).

3663970 is a wasteful number, since it uses less digits than its factorization.

3663970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366404.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 3663970 is about 1914.1499418802. The cubic root of 3663970 is about 154.1643548067.

The spelling of 3663970 in words is "three million, six hundred sixty-three thousand, nine hundred seventy".