3668607 has 12 divisors (see below), whose sum is σ = 5399784. Its totient is φ = 2399280.

The previous prime is 3668603. The next prime is 3668611. The reversal of 3668607 is 7068663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3668603) and next prime (3668611).

It is not a de Polignac number, because 3668607 - 2² = 3668603 is a prime.

It is a super-3 number, since 3×3668607³ (a number of 21 digits) contains 333 as substring.

3668607 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668603) 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, 3369 + ... + 4322.

It is an arithmetic number, because the mean of its divisors is an integer number (449982).

Almost surely, 2^3668607 is an apocalyptic number.

3668607 is a deficient number, since it is larger than the sum of its proper divisors (1731177).

3668607 is a wasteful number, since it uses less digits than its factorization.

3668607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7747 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3668607 is about 1915.3608015202. The cubic root of 3668607 is about 154.2293625039.

The spelling of 3668607 in words is "three million, six hundred sixty-eight thousand, six hundred seven".