3660000 has 120 divisors (see below), whose sum is σ = 12202344. Its totient is φ = 960000.

The previous prime is 3659993. The next prime is 3660011. The reversal of 3660000 is 663.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59970 + ... + 60030.

Almost surely, 2^3660000 is an apocalyptic number.

3660000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3660000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6101172).

3660000 is an abundant number, since it is smaller than the sum of its proper divisors (8542344).

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

3660000 is an equidigital number, since it uses as much as digits as its factorization.

3660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3660000 is about 1913.1126469709. The cubic root of 3660000 is about 154.1086544168.

Adding to 3660000 its reverse (663), we get a palindrome (3660663).

The spelling of 3660000 in words is "three million, six hundred sixty thousand".