3663401 has 8 divisors (see below), whose sum is σ = 4228224. Its totient is φ = 3108960.

The previous prime is 3663383. The next prime is 3663419. The reversal of 3663401 is 1043663.

It is an interprime number because it is at equal distance from previous prime (3663383) and next prime (3663419).

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

It is a cyclic number.

It is not a de Polignac number, because 3663401 - 2⁶ = 3663337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3663421) 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, 1820 + ... + 3261.

It is an arithmetic number, because the mean of its divisors is an integer number (528528).

Almost surely, 2^3663401 is an apocalyptic number.

It is an amenable number.

3663401 is a deficient number, since it is larger than the sum of its proper divisors (564823).

3663401 is a wasteful number, since it uses less digits than its factorization.

3663401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3663401 is about 1914.0013061647. The cubic root of 3663401 is about 154.1563740227.

The spelling of 3663401 in words is "three million, six hundred sixty-three thousand, four hundred one".