3663020 has 12 divisors (see below), whose sum is σ = 7692384. Its totient is φ = 1465200.

The previous prime is 3663017. The next prime is 3663031. The reversal of 3663020 is 203663.

3663020 = T₃₁₉ + T₃₂₀ + ... + T₃₇₈.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 183151 = 3663020 / (3 + 6 + 6 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3662983 and 3663001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91556 + ... + 91595.

It is an arithmetic number, because the mean of its divisors is an integer number (641032).

Almost surely, 2^3663020 is an apocalyptic number.

It is an amenable number.

3663020 is an abundant number, since it is smaller than the sum of its proper divisors (4029364).

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

3663020 is a wasteful number, since it uses less digits than its factorization.

3663020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183160 (or 183158 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3663020 is about 1913.9017738641. The cubic root of 3663020 is about 154.1510296615.

Adding to 3663020 its reverse (203663), we get a palindrome (3866683).

The spelling of 3663020 in words is "three million, six hundred sixty-three thousand, twenty".