3660819 has 8 divisors (see below), whose sum is σ = 4890000. Its totient is φ = 2436096.

The previous prime is 3660799. The next prime is 3660823. The reversal of 3660819 is 9180663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3660819 - 2⁸ = 3660563 is a prime.

It is a super-2 number, since 2×3660819² = 26803191501522, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3660819.

It is not an unprimeable number, because it can be changed into a prime (3660889) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2307 + ... + 3555.

It is an arithmetic number, because the mean of its divisors is an integer number (611250).

Almost surely, 2^3660819 is an apocalyptic number.

3660819 is a deficient number, since it is larger than the sum of its proper divisors (1229181).

3660819 is a wasteful number, since it uses less digits than its factorization.

3660819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3660819 is about 1913.3266840767. The cubic root of 3660819 is about 154.1201485493.

The spelling of 3660819 in words is "three million, six hundred sixty thousand, eight hundred nineteen".