3663378 has 24 divisors (see below), whose sum is σ = 7977216. Its totient is φ = 1215000.

The previous prime is 3663377. The next prime is 3663383. The reversal of 3663378 is 8733663.

It is not an unprimeable number, because it can be changed into a prime (3663377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4503 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (332384).

Almost surely, 2^3663378 is an apocalyptic number.

3663378 is an abundant number, since it is smaller than the sum of its proper divisors (4313838).

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

3663378 is a wasteful number, since it uses less digits than its factorization.

3663378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1027 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3663378 is about 1913.9952977999. The cubic root of 3663378 is about 154.1560514077.

The spelling of 3663378 in words is "three million, six hundred sixty-three thousand, three hundred seventy-eight".